Question about 2002 Chevrolet S-10

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Won't go over 15mph

2002 chevy s10 I was driving along and the truck will not go over 15 to 20 mph.

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  • wvmntman89 Jan 13, 2009

    wont go faster than 25mph. when i start it and give it gas it will go up to around 4000rpm. then it dies down to arond 4-500 and then idles fine. then if i gas it again it wont go past 2500rpm.its a standard and drive normal in any gear as long as i keep the rpms down. i think its smelled like eggs before but was hard to tell. its got new spark plugs, wires, distributor cap/ rotor, fuel fiter, mass air flow sensor, im running out of ideas and money anyone got any ideas?

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Jay wrote:
see if the flow seems restricted.
Have had a couple of cats fail over the years and mostly they disintegrated and let pieces migrate towards the tailpipe, clogging mufflers and resonators.
Have your helper listen for a hissing instead of the engine throb of a normal exhaust. If they still can't nail it down, holding a sheet of paper at the tailpipe can also show the problem; if the exhaust is not restricted, the paper will be obviously rythmically disturbed. If it isn't, then you may have a clogged system.
In my cases, the exhaust systems were stainless steel and pretty straight inward from the tailpipe and firing a couple of shots from a .357 into the tailpipe 'fixed' the problem.    

Posted on Dec 14, 2008

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  • 99 Answers

Is your check engine light on? It may be your catalytic converter is clogged, if it seems to idle ok, but no power, and also your rpm's would sound different while reving it up past 3,000. Also have someone stand behind you at the tailpipe while reving it, and see if the flow seems restricted. Does it smell like rotten eggs, or a weird sulpher smell? If you live by an auto zone or advance auto they offer a free OBD 2 scann to read your check engine light.

Posted on Dec 14, 2008

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