95 jimmy 4.3 knocking and spuddering - Page 2

BlazerLT · 01-07-2005, 01:11 AM

fuel pressure.

cap and rotor

coil

Also, what plugs are you using?

punkrockdario · 01-07-2005, 03:39 AM

autolite platinum. they were like 3 somthing a pop.
my first time buying plat. plugs

BlazerLT · 01-07-2005, 09:37 AM

And the rest of the things I asked?

Also, did you gap the plugs properly?

blazes9395 · 01-09-2005, 04:38 PM

Did you check the general condition of the engine, compression test, vaccum test, fuel pressure test, or leak-down test? This would be the first thing before shot-gunning parts into it.

BlazerLT · 01-09-2005, 05:54 PM

Quote:

Originally Posted by blazes9395

Did you check the general condition of the engine, compression test, vaccum test, fuel pressure test, or leak-down test? This would be the first thing before shot-gunning parts into it.

Due a tuneup is not considered a bad thing to do in any situation.

blazes9395 · 01-09-2005, 07:34 PM

True, tune up is not a bad thing, I agree.

punkrockdario · 01-12-2005, 05:37 PM

ok, i took my jimmy to a shop, and they told me the reason it idles and has poorer low rpm power is because the tps is bad. so i'll report back when i change it.

thanks to all, you're guys help is why i'm where i am, BETTER.

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