Question about Pontiac Vibe
02 grand am 2.2 ecotec random misfire code, eng wont rev, exhaust glows red, is it the icm?
If there is severe misfire then gaz go into exhaust Stream then burn Inside the converter that's why it glows red
need to fix the misfire , plugs, wire , or coil
hope it help
Posted on Jan 05, 2015
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Posted on Jan 02, 2017
When running does the engine shake back and forth (indicating a skip in the engine) also does it rev up freely. If you were to rev it up to 3500RPMS would it be smooth without the engine shaking back and forth? Also the o2 sensor on the front of the exhaust manifold is pretty easy to get at, if you were able to pull that( 7/8") wrench I beleive) you could tell if it were running rich (sooty black color). In the end you could take it to a muffler shop and for very little money have them inspect your cat, without any cutting or welding. a $20-$30 cost at most. I know the fixya wants us to be self suficiant but even i don't mess with small exhaust work because of the benieft of not dealing with it, especially for such a small price. But if its something you wanted to do, I could explain so. A shop can visually inspect the cat, and see if it is clogged with oil, or excessive fuel. At any rate in the end if they do find that you do need a cat, don't buy a GM one, there are plenty of other sources for an aftermarket cat. IF you decided to go that route i know of a few sources that one could be had for pretty cheap ($50-70) for new. Let me know if any of this helps
Posted on Sep 15, 2008
ok. You mentioned shampoo? meaning you cleaned the engine and compartment. And ran out of gas.
Sometimes if we wash the engine, water can hide in some spots like getting into plugs and such. If so, that plug may have been damaged. change the fuel filter as well, if you have ran out of gas.
if smell rich, well you just may be on the right track. Not enough air. Be sure to check all vacuum hose to ensure you don't have a leak somewhere that we are not catching.
Posted on May 05, 2009
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