Re: 5.2 V8 spark plugs
 

out of all the misfire code cars we work on at the dealer, the bosch plugs are
the first thing we look for

Dalewhite wrote:

> I recently took my wifes 98 GC into the local reair shop to diagnose a check
> engine light that was giving me a code which said cyl. 6 was misfiring. Prior
> to going to the shop I had replaced the plugs and determined that the ignition
> wires were firing properly. The new plugs were Bosch 4 point platinums. The
> repair shop which eventually diagnosed the problem as a leaking intake manifold
> gasket insisted that the platinum plugs were bad for the engine and replaced
> them with conventional plugs. I have never heard that "platinum plugs are not
> suitable for a distrubutor type ignition system". I have been running Bosch
> platinum plugs in my 2000 4.0 TJ for over a year. Any comments??
> tia dw

Re: 5.2 V8 spark plugs
 

out of all the misfire code cars we work on at the dealer, the bosch plugs are
the first thing we look for

Dalewhite wrote:

> I recently took my wifes 98 GC into the local reair shop to diagnose a check
> engine light that was giving me a code which said cyl. 6 was misfiring. Prior
> to going to the shop I had replaced the plugs and determined that the ignition
> wires were firing properly. The new plugs were Bosch 4 point platinums. The
> repair shop which eventually diagnosed the problem as a leaking intake manifold
> gasket insisted that the platinum plugs were bad for the engine and replaced
> them with conventional plugs. I have never heard that "platinum plugs are not
> suitable for a distrubutor type ignition system". I have been running Bosch
> platinum plugs in my 2000 4.0 TJ for over a year. Any comments??
> tia dw

Re: 5.2 V8 spark plugs
 

out of all the misfire code cars we work on at the dealer, the bosch plugs are
the first thing we look for

Dalewhite wrote:

> I recently took my wifes 98 GC into the local reair shop to diagnose a check
> engine light that was giving me a code which said cyl. 6 was misfiring. Prior
> to going to the shop I had replaced the plugs and determined that the ignition
> wires were firing properly. The new plugs were Bosch 4 point platinums. The
> repair shop which eventually diagnosed the problem as a leaking intake manifold
> gasket insisted that the platinum plugs were bad for the engine and replaced
> them with conventional plugs. I have never heard that "platinum plugs are not
> suitable for a distrubutor type ignition system". I have been running Bosch
> platinum plugs in my 2000 4.0 TJ for over a year. Any comments??
> tia dw