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93yj failing
Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little
but CO by well, a HUGE amount. Nox was barely noticable... I did the whole tuneup about 4 weeks ago but also had a gap develop between the header and pipe (before the o2 sensor). The tuneup got rid of my backfire problem but the exhuast problem is making my Jeep sound horrible. I think it's also causing my Jeep to run real rich (stinks) and it has a noticible lack of power. Any screwed up logic here? Anyone have anymore suggestions on solving this? I'm thinking about just having my exhaust rebuilt from the header back, but I don't know if that will solve my emissions prob. Nick -- Nick http://members.cox.net/nnote/ |
Re: 93yj failing
OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to
tell which one is missfiring? It's the 4cyl. Nick "Nick N" <nnote@despammed.com> wrote in message news:gg9Gb.22046$J77.7584@fed1read07... > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > but CO by well, a HUGE amount. Nox was barely noticable... I did the whole > tuneup about 4 weeks ago but also had a gap develop between the header and > pipe (before the o2 sensor). The tuneup got rid of my backfire problem but > the exhuast problem is making my Jeep sound horrible. I think it's also > causing my Jeep to run real rich (stinks) and it has a noticible lack of > power. Any screwed up logic here? Anyone have anymore suggestions on > solving this? I'm thinking about just having my exhaust rebuilt from the > header back, but I don't know if that will solve my emissions prob. > Nick > > > -- > Nick > http://members.cox.net/nnote/ > > |
Re: 93yj failing
OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to
tell which one is missfiring? It's the 4cyl. Nick "Nick N" <nnote@despammed.com> wrote in message news:gg9Gb.22046$J77.7584@fed1read07... > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > but CO by well, a HUGE amount. Nox was barely noticable... I did the whole > tuneup about 4 weeks ago but also had a gap develop between the header and > pipe (before the o2 sensor). The tuneup got rid of my backfire problem but > the exhuast problem is making my Jeep sound horrible. I think it's also > causing my Jeep to run real rich (stinks) and it has a noticible lack of > power. Any screwed up logic here? Anyone have anymore suggestions on > solving this? I'm thinking about just having my exhaust rebuilt from the > header back, but I don't know if that will solve my emissions prob. > Nick > > > -- > Nick > http://members.cox.net/nnote/ > > |
Re: 93yj failing
OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to
tell which one is missfiring? It's the 4cyl. Nick "Nick N" <nnote@despammed.com> wrote in message news:gg9Gb.22046$J77.7584@fed1read07... > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > but CO by well, a HUGE amount. Nox was barely noticable... I did the whole > tuneup about 4 weeks ago but also had a gap develop between the header and > pipe (before the o2 sensor). The tuneup got rid of my backfire problem but > the exhuast problem is making my Jeep sound horrible. I think it's also > causing my Jeep to run real rich (stinks) and it has a noticible lack of > power. Any screwed up logic here? Anyone have anymore suggestions on > solving this? I'm thinking about just having my exhaust rebuilt from the > header back, but I don't know if that will solve my emissions prob. > Nick > > > -- > Nick > http://members.cox.net/nnote/ > > |
Re: 93yj failing
I just went out and was playing with the plug wires... Don't ever short
yourself between the wire and the cap. *^&**&%%&&^*%(^*(%)&*%)%^* OUCH! Nick "Nick N" <nnote@despammed.com> wrote in message news:2t9Gb.22050$J77.17468@fed1read07... > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
I just went out and was playing with the plug wires... Don't ever short
yourself between the wire and the cap. *^&**&%%&&^*%(^*(%)&*%)%^* OUCH! Nick "Nick N" <nnote@despammed.com> wrote in message news:2t9Gb.22050$J77.17468@fed1read07... > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
I just went out and was playing with the plug wires... Don't ever short
yourself between the wire and the cap. *^&**&%%&&^*%(^*(%)&*%)%^* OUCH! Nick "Nick N" <nnote@despammed.com> wrote in message news:2t9Gb.22050$J77.17468@fed1read07... > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
Hi Nick,
Your mechanic will tell which is misfiring by a balance test using their diagnostic computer, which short each plug individually, measuring the change in revolutions per minute. You may do the same by pulling an ignition wire, until you fine the one that doesn't change the RPM. I'd fix the exhaust, letting oxygen in is bound to screw up your Oxygen Sensor, probably enriching the mixer to compensate, further screwing up your tests. And replace your catalytic convert which will burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon Dioxide. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Nick N wrote: > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > |
Re: 93yj failing
Hi Nick,
Your mechanic will tell which is misfiring by a balance test using their diagnostic computer, which short each plug individually, measuring the change in revolutions per minute. You may do the same by pulling an ignition wire, until you fine the one that doesn't change the RPM. I'd fix the exhaust, letting oxygen in is bound to screw up your Oxygen Sensor, probably enriching the mixer to compensate, further screwing up your tests. And replace your catalytic convert which will burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon Dioxide. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Nick N wrote: > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > |
Re: 93yj failing
Hi Nick,
Your mechanic will tell which is misfiring by a balance test using their diagnostic computer, which short each plug individually, measuring the change in revolutions per minute. You may do the same by pulling an ignition wire, until you fine the one that doesn't change the RPM. I'd fix the exhaust, letting oxygen in is bound to screw up your Oxygen Sensor, probably enriching the mixer to compensate, further screwing up your tests. And replace your catalytic convert which will burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon Dioxide. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Nick N wrote: > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > tell which one is missfiring? It's the 4cyl. > Nick > > "Nick N" <nnote@despammed.com> wrote in message > news:gg9Gb.22046$J77.7584@fed1read07... > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > whole > > tuneup about 4 weeks ago but also had a gap develop between the header and > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > but > > the exhuast problem is making my Jeep sound horrible. I think it's also > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > power. Any screwed up logic here? Anyone have anymore suggestions on > > solving this? I'm thinking about just having my exhaust rebuilt from the > > header back, but I don't know if that will solve my emissions prob. > > Nick > > > > > > -- > > Nick > > http://members.cox.net/nnote/ > > > > |
Re: 93yj failing
The root cause of the failure is the fact that the engine is running too
rich, and I absolutely suspect that the exhaust leak before the O2 sensor is the fault. Make that leak go away. Don't replace the catalytic converter. Although a fresh one will, in fact, clean up the exhaust, it won't survive to next year's inspection, as the rich mixture will destroy it. Fix the root cause, not the symptom. Jerry "L.W. (ßill) ------ III" <----------@cox.net> wrote in message news:3FE92A40.5A6F3967@cox.net... > Hi Nick, > Your mechanic will tell which is misfiring by a balance test using > their diagnostic computer, which short each plug individually, measuring > the change in revolutions per minute. You may do the same by pulling an > ignition wire, until you fine the one that doesn't change the RPM. > I'd fix the exhaust, letting oxygen in is bound to screw up your > Oxygen Sensor, probably enriching the mixer to compensate, further > screwing up your tests. And replace your catalytic convert which will > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > Dioxide. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Nick N wrote: > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > > tell which one is missfiring? It's the 4cyl. > > Nick > > > > "Nick N" <nnote@despammed.com> wrote in message > > news:gg9Gb.22046$J77.7584@fed1read07... > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > whole > > > tuneup about 4 weeks ago but also had a gap develop between the header and > > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > > but > > > the exhuast problem is making my Jeep sound horrible. I think it's also > > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > solving this? I'm thinking about just having my exhaust rebuilt from the > > > header back, but I don't know if that will solve my emissions prob. > > > Nick > > > > > > > > > -- > > > Nick > > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
The root cause of the failure is the fact that the engine is running too
rich, and I absolutely suspect that the exhaust leak before the O2 sensor is the fault. Make that leak go away. Don't replace the catalytic converter. Although a fresh one will, in fact, clean up the exhaust, it won't survive to next year's inspection, as the rich mixture will destroy it. Fix the root cause, not the symptom. Jerry "L.W. (ßill) ------ III" <----------@cox.net> wrote in message news:3FE92A40.5A6F3967@cox.net... > Hi Nick, > Your mechanic will tell which is misfiring by a balance test using > their diagnostic computer, which short each plug individually, measuring > the change in revolutions per minute. You may do the same by pulling an > ignition wire, until you fine the one that doesn't change the RPM. > I'd fix the exhaust, letting oxygen in is bound to screw up your > Oxygen Sensor, probably enriching the mixer to compensate, further > screwing up your tests. And replace your catalytic convert which will > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > Dioxide. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Nick N wrote: > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > > tell which one is missfiring? It's the 4cyl. > > Nick > > > > "Nick N" <nnote@despammed.com> wrote in message > > news:gg9Gb.22046$J77.7584@fed1read07... > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > whole > > > tuneup about 4 weeks ago but also had a gap develop between the header and > > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > > but > > > the exhuast problem is making my Jeep sound horrible. I think it's also > > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > solving this? I'm thinking about just having my exhaust rebuilt from the > > > header back, but I don't know if that will solve my emissions prob. > > > Nick > > > > > > > > > -- > > > Nick > > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
The root cause of the failure is the fact that the engine is running too
rich, and I absolutely suspect that the exhaust leak before the O2 sensor is the fault. Make that leak go away. Don't replace the catalytic converter. Although a fresh one will, in fact, clean up the exhaust, it won't survive to next year's inspection, as the rich mixture will destroy it. Fix the root cause, not the symptom. Jerry "L.W. (ßill) ------ III" <----------@cox.net> wrote in message news:3FE92A40.5A6F3967@cox.net... > Hi Nick, > Your mechanic will tell which is misfiring by a balance test using > their diagnostic computer, which short each plug individually, measuring > the change in revolutions per minute. You may do the same by pulling an > ignition wire, until you fine the one that doesn't change the RPM. > I'd fix the exhaust, letting oxygen in is bound to screw up your > Oxygen Sensor, probably enriching the mixer to compensate, further > screwing up your tests. And replace your catalytic convert which will > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > Dioxide. > God Bless America, ßill O|||||||O > mailto:-------------------- http://www.----------.com/ > > Nick N wrote: > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway to > > tell which one is missfiring? It's the 4cyl. > > Nick > > > > "Nick N" <nnote@despammed.com> wrote in message > > news:gg9Gb.22046$J77.7584@fed1read07... > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a little > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > whole > > > tuneup about 4 weeks ago but also had a gap develop between the header and > > > pipe (before the o2 sensor). The tuneup got rid of my backfire problem > > but > > > the exhuast problem is making my Jeep sound horrible. I think it's also > > > causing my Jeep to run real rich (stinks) and it has a noticible lack of > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > solving this? I'm thinking about just having my exhaust rebuilt from the > > > header back, but I don't know if that will solve my emissions prob. > > > Nick > > > > > > > > > -- > > > Nick > > > http://members.cox.net/nnote/ > > > > > > |
Re: 93yj failing
I think I'm with ya. Thanks Jerry.
Nick "Jerry Newton" <figatmcttelecom.com> wrote in message news:3fe9cdec_3@newspeer2.tds.net... > The root cause of the failure is the fact that the engine is running too > rich, and I absolutely suspect that the exhaust leak before the O2 sensor is > the fault. Make that leak go away. Don't replace the catalytic converter. > Although a fresh one will, in fact, clean up the exhaust, it won't survive > to next year's inspection, as the rich mixture will destroy it. Fix the > root cause, not the symptom. > > Jerry > > > "L.W. (ßill) ------ III" <----------@cox.net> wrote in message > news:3FE92A40.5A6F3967@cox.net... > > Hi Nick, > > Your mechanic will tell which is misfiring by a balance test using > > their diagnostic computer, which short each plug individually, measuring > > the change in revolutions per minute. You may do the same by pulling an > > ignition wire, until you fine the one that doesn't change the RPM. > > I'd fix the exhaust, letting oxygen in is bound to screw up your > > Oxygen Sensor, probably enriching the mixer to compensate, further > > screwing up your tests. And replace your catalytic convert which will > > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > > Dioxide. > > God Bless America, ßill O|||||||O > > mailto:-------------------- http://www.----------.com/ > > > > Nick N wrote: > > > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway > to > > > tell which one is missfiring? It's the 4cyl. > > > Nick > > > > > > "Nick N" <nnote@despammed.com> wrote in message > > > news:gg9Gb.22046$J77.7584@fed1read07... > > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a > little > > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > > whole > > > > tuneup about 4 weeks ago but also had a gap develop between the header > and > > > > pipe (before the o2 sensor). The tuneup got rid of my backfire > problem > > > but > > > > the exhuast problem is making my Jeep sound horrible. I think it's > also > > > > causing my Jeep to run real rich (stinks) and it has a noticible lack > of > > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > > solving this? I'm thinking about just having my exhaust rebuilt from > the > > > > header back, but I don't know if that will solve my emissions prob. > > > > Nick > > > > > > > > > > > > -- > > > > Nick > > > > http://members.cox.net/nnote/ > > > > > > > > > > |
Re: 93yj failing
I think I'm with ya. Thanks Jerry.
Nick "Jerry Newton" <figatmcttelecom.com> wrote in message news:3fe9cdec_3@newspeer2.tds.net... > The root cause of the failure is the fact that the engine is running too > rich, and I absolutely suspect that the exhaust leak before the O2 sensor is > the fault. Make that leak go away. Don't replace the catalytic converter. > Although a fresh one will, in fact, clean up the exhaust, it won't survive > to next year's inspection, as the rich mixture will destroy it. Fix the > root cause, not the symptom. > > Jerry > > > "L.W. (ßill) ------ III" <----------@cox.net> wrote in message > news:3FE92A40.5A6F3967@cox.net... > > Hi Nick, > > Your mechanic will tell which is misfiring by a balance test using > > their diagnostic computer, which short each plug individually, measuring > > the change in revolutions per minute. You may do the same by pulling an > > ignition wire, until you fine the one that doesn't change the RPM. > > I'd fix the exhaust, letting oxygen in is bound to screw up your > > Oxygen Sensor, probably enriching the mixer to compensate, further > > screwing up your tests. And replace your catalytic convert which will > > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > > Dioxide. > > God Bless America, ßill O|||||||O > > mailto:-------------------- http://www.----------.com/ > > > > Nick N wrote: > > > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway > to > > > tell which one is missfiring? It's the 4cyl. > > > Nick > > > > > > "Nick N" <nnote@despammed.com> wrote in message > > > news:gg9Gb.22046$J77.7584@fed1read07... > > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a > little > > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > > whole > > > > tuneup about 4 weeks ago but also had a gap develop between the header > and > > > > pipe (before the o2 sensor). The tuneup got rid of my backfire > problem > > > but > > > > the exhuast problem is making my Jeep sound horrible. I think it's > also > > > > causing my Jeep to run real rich (stinks) and it has a noticible lack > of > > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > > solving this? I'm thinking about just having my exhaust rebuilt from > the > > > > header back, but I don't know if that will solve my emissions prob. > > > > Nick > > > > > > > > > > > > -- > > > > Nick > > > > http://members.cox.net/nnote/ > > > > > > > > > > |
Re: 93yj failing
I think I'm with ya. Thanks Jerry.
Nick "Jerry Newton" <figatmcttelecom.com> wrote in message news:3fe9cdec_3@newspeer2.tds.net... > The root cause of the failure is the fact that the engine is running too > rich, and I absolutely suspect that the exhaust leak before the O2 sensor is > the fault. Make that leak go away. Don't replace the catalytic converter. > Although a fresh one will, in fact, clean up the exhaust, it won't survive > to next year's inspection, as the rich mixture will destroy it. Fix the > root cause, not the symptom. > > Jerry > > > "L.W. (ßill) ------ III" <----------@cox.net> wrote in message > news:3FE92A40.5A6F3967@cox.net... > > Hi Nick, > > Your mechanic will tell which is misfiring by a balance test using > > their diagnostic computer, which short each plug individually, measuring > > the change in revolutions per minute. You may do the same by pulling an > > ignition wire, until you fine the one that doesn't change the RPM. > > I'd fix the exhaust, letting oxygen in is bound to screw up your > > Oxygen Sensor, probably enriching the mixer to compensate, further > > screwing up your tests. And replace your catalytic convert which will > > burn the Hydrocarbons and change Carbon Monoxide into harmless Carbon > > Dioxide. > > God Bless America, ßill O|||||||O > > mailto:-------------------- http://www.----------.com/ > > > > Nick N wrote: > > > > > > OHya forgot. It's stumbling badly on idle. Missfiring. Is there anyway > to > > > tell which one is missfiring? It's the 4cyl. > > > Nick > > > > > > "Nick N" <nnote@despammed.com> wrote in message > > > news:gg9Gb.22046$J77.7584@fed1read07... > > > > Ok my 93yj failed emissions miserably today. Hydrocarbons by just a > little > > > > but CO by well, a HUGE amount. Nox was barely noticable... I did the > > > whole > > > > tuneup about 4 weeks ago but also had a gap develop between the header > and > > > > pipe (before the o2 sensor). The tuneup got rid of my backfire > problem > > > but > > > > the exhuast problem is making my Jeep sound horrible. I think it's > also > > > > causing my Jeep to run real rich (stinks) and it has a noticible lack > of > > > > power. Any screwed up logic here? Anyone have anymore suggestions on > > > > solving this? I'm thinking about just having my exhaust rebuilt from > the > > > > header back, but I don't know if that will solve my emissions prob. > > > > Nick > > > > > > > > > > > > -- > > > > Nick > > > > http://members.cox.net/nnote/ > > > > > > > > > > |
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