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MCU?
Have a 88 yj with 4.2, standard.. Rins roughon cold start and excessive
crank on hot start. Dealer service says metering pins are not moving in and out to regulate air and fuel.. Says the mechanic metered the MCU and it is faulty. New part is $800. Are they on the right track or are they trying to pull one? Trying to get ready for the ontario E-Test. Will it pass the e-test with out replacement? |
Re: MCU?
JEEPR wrote:
> Have a 88 yj with 4.2, standard.. Rins roughon cold start and > excessive crank on hot start. Dealer service says metering pins are > not moving in and out to regulate air and fuel.. Says the mechanic > metered the MCU and it is faulty. New part is $800. > Are they on the right track or are they trying to pull one? > Trying to get ready for the ontario E-Test. Will it pass the e-test > with out replacement? New? It probably just needs rebuilt. Dealers charge way too much. $800 is a pure ripoff. For example, the rebuild kit for a 72-90 Weber Carb (which I think is the one in your jeep) Please make sure before you buy any rebuild kit. A full rebuilt carb from Napa is only $324 An OEM carb from chryslerpartsdirect.com is $251.10 The Factory overhaul kit is #30.38 Any decent mechanic can do the work for you and probably for $100 + parts. -- DougW |
Re: MCU?
JEEPR wrote:
> Have a 88 yj with 4.2, standard.. Rins roughon cold start and > excessive crank on hot start. Dealer service says metering pins are > not moving in and out to regulate air and fuel.. Says the mechanic > metered the MCU and it is faulty. New part is $800. > Are they on the right track or are they trying to pull one? > Trying to get ready for the ontario E-Test. Will it pass the e-test > with out replacement? New? It probably just needs rebuilt. Dealers charge way too much. $800 is a pure ripoff. For example, the rebuild kit for a 72-90 Weber Carb (which I think is the one in your jeep) Please make sure before you buy any rebuild kit. A full rebuilt carb from Napa is only $324 An OEM carb from chryslerpartsdirect.com is $251.10 The Factory overhaul kit is #30.38 Any decent mechanic can do the work for you and probably for $100 + parts. -- DougW |
Re: MCU?
DougW wrote:
> JEEPR wrote: >> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >> excessive crank on hot start. Dealer service says metering pins are >> not moving in and out to regulate air and fuel.. Says the mechanic >> metered the MCU and it is faulty. New part is $800. >> Are they on the right track or are they trying to pull one? >> Trying to get ready for the ontario E-Test. Will it pass the e-test >> with out replacement? > > New? It probably just needs rebuilt. > Dealers charge way too much. $800 is a pure ripoff. > > For example, the rebuild kit for a 72-90 Weber Carb (which I think is > the one in your jeep) Please make sure before you buy any rebuild > kit. > A full rebuilt carb from Napa is only $324 > > An OEM carb from chryslerpartsdirect.com is $251.10 > The Factory overhaul kit is #30.38 > > Any decent mechanic can do the work for you and probably for $100 + > parts. And actually with the current exchange rate those prices will be better. (I priced US$) As for passing the e-test up in Ontario.. I don't have a clue. Might get by with some carb cleaner. -- DougW |
Re: MCU?
DougW wrote:
> JEEPR wrote: >> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >> excessive crank on hot start. Dealer service says metering pins are >> not moving in and out to regulate air and fuel.. Says the mechanic >> metered the MCU and it is faulty. New part is $800. >> Are they on the right track or are they trying to pull one? >> Trying to get ready for the ontario E-Test. Will it pass the e-test >> with out replacement? > > New? It probably just needs rebuilt. > Dealers charge way too much. $800 is a pure ripoff. > > For example, the rebuild kit for a 72-90 Weber Carb (which I think is > the one in your jeep) Please make sure before you buy any rebuild > kit. > A full rebuilt carb from Napa is only $324 > > An OEM carb from chryslerpartsdirect.com is $251.10 > The Factory overhaul kit is #30.38 > > Any decent mechanic can do the work for you and probably for $100 + > parts. And actually with the current exchange rate those prices will be better. (I priced US$) As for passing the e-test up in Ontario.. I don't have a clue. Might get by with some carb cleaner. -- DougW |
Re: MCU?
On Fri, 21 Dec 2007 19:13:15 -0600, "DougW"
<I.only.read.usenet@invalid.address> wrote: >JEEPR wrote: >> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >> excessive crank on hot start. Dealer service says metering pins are >> not moving in and out to regulate air and fuel.. Says the mechanic >> metered the MCU and it is faulty. New part is $800. >> Are they on the right track or are they trying to pull one? >> Trying to get ready for the ontario E-Test. Will it pass the e-test >> with out replacement? > >New? It probably just needs rebuilt. >Dealers charge way too much. $800 is a pure ripoff. > >For example, the rebuild kit for a 72-90 Weber Carb (which I think is the one in your jeep) Please make sure before you buy any >rebuild kit. > >A full rebuilt carb from Napa is only $324 > >An OEM carb from chryslerpartsdirect.com is $251.10 >The Factory overhaul kit is #30.38 > >Any decent mechanic can do the work for you and probably for $100 + parts. MCU = Microprocessor Control Unit. He's talking computer, not carb. |
Re: MCU?
On Fri, 21 Dec 2007 19:13:15 -0600, "DougW"
<I.only.read.usenet@invalid.address> wrote: >JEEPR wrote: >> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >> excessive crank on hot start. Dealer service says metering pins are >> not moving in and out to regulate air and fuel.. Says the mechanic >> metered the MCU and it is faulty. New part is $800. >> Are they on the right track or are they trying to pull one? >> Trying to get ready for the ontario E-Test. Will it pass the e-test >> with out replacement? > >New? It probably just needs rebuilt. >Dealers charge way too much. $800 is a pure ripoff. > >For example, the rebuild kit for a 72-90 Weber Carb (which I think is the one in your jeep) Please make sure before you buy any >rebuild kit. > >A full rebuilt carb from Napa is only $324 > >An OEM carb from chryslerpartsdirect.com is $251.10 >The Factory overhaul kit is #30.38 > >Any decent mechanic can do the work for you and probably for $100 + parts. MCU = Microprocessor Control Unit. He's talking computer, not carb. |
Re: MCU?
bllsht wrote:
> On Fri, 21 Dec 2007 19:13:15 -0600, "DougW" > <I.only.read.usenet@invalid.address> wrote: > >> JEEPR wrote: >>> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >>> excessive crank on hot start. Dealer service says metering pins are >>> not moving in and out to regulate air and fuel.. Says the mechanic >>> metered the MCU and it is faulty. New part is $800. >>> Are they on the right track or are they trying to pull one? >>> Trying to get ready for the ontario E-Test. Will it pass the e-test >>> with out replacement? >> >> New? It probably just needs rebuilt. >> Dealers charge way too much. $800 is a pure ripoff. >> >> For example, the rebuild kit for a 72-90 Weber Carb (which I think >> is the one in your jeep) Please make sure before you buy any >> rebuild kit. >> >> A full rebuilt carb from Napa is only $324 >> >> An OEM carb from chryslerpartsdirect.com is $251.10 >> The Factory overhaul kit is #30.38 >> >> Any decent mechanic can do the work for you and probably for $100 + >> parts. > > MCU = Microprocessor Control Unit. He's talking computer, not carb. doh. I got stuck on pins and fuel/air. Isn't that the carb they do the nutter bypass on? Either way, the ECM is US$294 And I still wonder if the metering pins are not a part of the cause as they can also stick. -- DougW |
Re: MCU?
bllsht wrote:
> On Fri, 21 Dec 2007 19:13:15 -0600, "DougW" > <I.only.read.usenet@invalid.address> wrote: > >> JEEPR wrote: >>> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >>> excessive crank on hot start. Dealer service says metering pins are >>> not moving in and out to regulate air and fuel.. Says the mechanic >>> metered the MCU and it is faulty. New part is $800. >>> Are they on the right track or are they trying to pull one? >>> Trying to get ready for the ontario E-Test. Will it pass the e-test >>> with out replacement? >> >> New? It probably just needs rebuilt. >> Dealers charge way too much. $800 is a pure ripoff. >> >> For example, the rebuild kit for a 72-90 Weber Carb (which I think >> is the one in your jeep) Please make sure before you buy any >> rebuild kit. >> >> A full rebuilt carb from Napa is only $324 >> >> An OEM carb from chryslerpartsdirect.com is $251.10 >> The Factory overhaul kit is #30.38 >> >> Any decent mechanic can do the work for you and probably for $100 + >> parts. > > MCU = Microprocessor Control Unit. He's talking computer, not carb. doh. I got stuck on pins and fuel/air. Isn't that the carb they do the nutter bypass on? Either way, the ECM is US$294 And I still wonder if the metering pins are not a part of the cause as they can also stick. -- DougW |
Re: MCU?
"DougW" <I.only.read.usenet@invalid.address> wrote in message
news:VF0bj.35723$Qf1.31515@newsfe07.phx... > bllsht wrote: >> On Fri, 21 Dec 2007 19:13:15 -0600, "DougW" >> <I.only.read.usenet@invalid.address> wrote: >> >>> JEEPR wrote: >>>> Have a 88 yj with 4.2, standard.. Rins roughon cold start and >>>> excessive crank on hot start. Dealer service says metering pins are >>>> not moving in and out to regulate air and fuel.. Says the mechanic >>>> metered the MCU and it is faulty. New part is $800. >>>> Are they on the right track or are they trying to pull one? >>>> Trying to get ready for the ontario E-Test. Will it pass the e-test >>>> with out replacement? >>> >>> New? It probably just needs rebuilt. >>> Dealers charge way too much. $800 is a pure ripoff. >>> >>> For example, the rebuild kit for a 72-90 Weber Carb (which I think >>> is the one in your jeep) Please make sure before you buy any >>> rebuild kit. >>> >>> A full rebuilt carb from Napa is only $324 >>> >>> An OEM carb from chryslerpartsdirect.com is $251.10 >>> The Factory overhaul kit is #30.38 >>> >>> Any decent mechanic can do the work for you and probably for $100 + >>> parts. >> >> MCU = Microprocessor Control Unit. He's talking computer, not carb. > > doh. > > I got stuck on pins and fuel/air. > > Isn't that the carb they do the nutter bypass on? That's the one. Mike would know if the Nutter bypass is cool to do in Ontario. I would think so. Google "Nutter bypass". Cheers, Earle -- Posted via a free Usenet account from http://www.teranews.com |
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