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Originally Posted by merpar
I don't see any signs of arching on the engine; just on the inside of the distributor cap and some burn marks on the rotor. This was also the case on the one this replaced about 1,000 miles ago, but the idle was fine at that time.
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Had the same 'running on three cylinders' with ours last month. Also signs of arcing and wear inside distributor cap, on rotor, and to HV terminal of coil. Additionally, one plug wire resistor end was crushed - felt like gravel. I replaced ALL those items - no change.
On the advice of some folks on this group, I pulled the coil wire and spun the engine a few times. Then, quickly as possible I removed and sniffed each spark plug. Hard to tell, but some gas smell evident on plugs 2,3,4, never on #1. I repeated the test several times - same result. I had a spare set of used injectors, so I swapped out the #1 injector. It ran fine after that.
I have been running a lot of Techron in my tank since then, 'cause smog test due before the end of the month. I SHOULD have been using it more frequently before. That #1 injector I replaced was less than 1 yr old.
Steve
07-22-2005, 01:19 AM
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