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How to locate ecm 1988 chevy s10 blazer

I have a 1988 chevy s10 blazer that is having power surges, diagnostics showed it was the ignition modulator. replace that but still doing the same thing. battery and alt. test good. It starts up but when driving it, it seem to surge more when i press down on the accelerator?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: blazer will not start has spark and fuel pressure

the problem is common for the 93-94-95 4.3 vortex its the spider injection located inside the plenum the part costs between $250 to 400 i had to replace on girlfreinds 94 blazer. ifound one o ebay for $100

Posted on Nov 06, 2008

dennymulford
  • 1055 Answers

SOURCE: 91 s10 blazer engine surges warm and cold, stalls

tps sencor or maf sencor

Posted on Jan 24, 2009

  • 335 Answers

SOURCE: I Have a 2002 blazer that starts but motor dies, surges when accelerating

If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe

Posted on May 26, 2009

  • 11 Answers

SOURCE: 1988 chevy s10 blazer 4.3, cut out , will srart but will not stay

Your vehicle as an ignition control module located on top of the distributor (under the cap and rotor) I would pull the ICM and take it to NAPA and have it tested if bad replace it (cost about $80). Sounds like a ICM problem or it could be the ignition switch located on the steering coloum which can't be tested but costs $20. Hope this works

Posted on Jul 16, 2009

fricks
  • 42 Answers

SOURCE: I have a chevy blazer 94 S10 still quit on the road.

How is it running before it quits onyou. This could be the culprit of an egr valve. How many miles on thevehicle. The egr seems to die on a certain mileage pattern. Also youcould start by cleaning the egr valve before replacing it. This couldvery well help the situation, but this is just a guess. Hope thishelps!!

Posted on Nov 28, 2009

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