Question about 2000 Chevrolet S-10

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2000 s10 starts fine but and idels fine when she wants to be when trying to past or at higher rpms she chokes

I have bran new fuel and air filter plugs wires cap and rotor, i have no heat and she was not starting till i put the new plugs in her now she will start up but has tremors and she will rev herself up and down sometimes she shakes at idle but not always and some times i have to put her all the way up to 4k rpm to get her to shake and sometimes she shakes bad at like 2k rpms. before she didnt state she was running fine but about 2 weeks before she didnt start up she started to choke when driving the dummy light came on and then when of no codes come up when i scan her

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  • robert willimas Dec 05, 2012

    fuel psi is at 62 and holds strong

  • robert willimas Dec 05, 2012

    and it is a 4.3 4x4 with about 135k on her

  • brian andrus
    brian andrus Dec 05, 2012

    i bet your steering arm rubbed a plug wire and its arcing off is the check engine light bouncing on and off

  • robert willimas Dec 05, 2012

    nope not on at all

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  • 95 Answers

Check your cap and rotor button if its a 4.3 they are notorious for going bad

Posted on Dec 05, 2012

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SOURCE: 1994 s10 blazer 4.3 cpi,starts and drives but has

check these two things, the electronic egr valve, located at the front of the engine on top near the front of the intake, they are know for getting something in them and not working properly. also check the cold water temp sensor, located on the driver side of the head.the egr valvce can be taken apart nad cleaned, you might have to get a new gasket for it.

Posted on Sep 18, 2009

  • 12744 Answers

SOURCE: Shakes while idling and sometimes stalls.

check for minor vacuum leak and map sensor,pcv,egr valve

Posted on Oct 13, 2009

  • 212 Answers

SOURCE: 94 s10 with 4.3 w, misfires during driving.

Check fuel pressure,fuel pump maybe on the way out.

Posted on Apr 19, 2010

roniecon
  • 6927 Answers

SOURCE: Somedays will idle, run and

Replace the pick up coil in the distributor,this is the problem.

Posted on Apr 23, 2010

  • 62 Answers

SOURCE: 1999 blazer code p1351 will

sounds to me that the ecm, or tps, is going bad this controls the way the engine reacts more or less you have a high speed fuel problem. will not be injector problem. tps -[throttle position switch] controls fuel in carb

Posted on Jun 05, 2011

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