Question about 1983 Chevrolet S-10

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CHEV 2.8 IS RUNNING LIKE PLUG WIRES ARE MIXED UP BUT THEY ARE NOT. POSSIBLE CAUSE?

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Bad distributor cap is cracked/leaking and sparks are jumping off at random.

OR...

Distributor is loose and turned on its own...changing engine timing.

OR....

Timing belt/chain has jumped and ALL the plugs are firing out of order!

Dont wait on this one! Your engine could be destroyed if the timing belt jumps further or breaks! Some engines are timed so their valves move into the same space as the piston but at a different time. Lose the timing...these parts meet...and it's usually the last time they do!

A timing light should confirm this problem. i.e., you should see the light come on in the right spot but its way earlier or later. A mechanic can confirm this and get you pointed to someone who can replace your timing belt.

I just had mine done at a dealership for 225 dollars! Which is crazy cheap considering how much an engine costs. Be prepared to spend a few more dollars on a new water pump *(as long as they are taking it off anyway) and new belts *(also being removed) It's more money..but cheaper than having them done seperately!

Good luck and be careful!

Posted on Dec 11, 2009

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