Question about 2000 Chevrolet S-10

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I HAVE A 1988 CHEVY S10 2.5 PICKUP THE INJECTOR IS SPRAYIN ENOGUH FUEL INTO THE THROTTLE BODY TO BAIRLY KEEP IT RUNNING. I DRIPED GAS INTO THE THROTTLE BODYAND IT WILL IDLE NORMAL WHEN MAINUALLY FEEDING GAS ONCE I TAKE THE FUEL AWAY THE MOTOR WILL JUST DIE LIKE ITS ALMOST STARVING FOR GAS. I HAVE ALLREADY REPLACED THE FUEL PUMP, SENDING UNIT, FUEL LINE, FUEL INJECTOR FUEL PRESURE REGULATOR.FUEL FILTER AND ECM.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

chiquititas
  • 1010 Answers

SOURCE: HARD STARTING ONLY WHEN WARM

Drive this thing until hot and when you shut it off, open the hood and find the vacuum hose that goes to the fuel pressure regulator. It will be on the drivers side of engine on the fuel rail. It's a little round vacuum diaphragm with a hose to it. Pull this hose off and see if gas leaks out the little nipple of the regulator. I'll bet it's leaking and what is happening is that it's flooding out the engine after it's off for an hour or more. These are fairly easy to replace since they are on the outside of plenum. Just be VERY careful as to look at the new one before removing the old one. Check location of the retainer clip, if it is not on right the regulator can pop out and you will have a major leak!!! Also be sure to remove the old O-ring and screen from the rail, they tend to stay in there when you pull the regulator off. You won't be able to get new one in if old parts are left in the rail.

Posted on Jun 25, 2008

SOURCE: 99 chevy blazer wont stay running

there is a lttle type of valve filter in the gas line the size of a spark plug, i had same problem.

Posted on Sep 17, 2008

mas66
  • 104 Answers

SOURCE: '88 chevy truck, no spray from injectors

Not sure on that model what controls the injector pulse, but most vehicles either use the signal from the crankshaft position sensor or a cam position sensor. You should use a LED testlight, (NOT A BULB TESTLIGHT!!) and backprobe the injector terminals (with the other lead of the testlight to ground) while cranking the engine over. If the light flashes on one of the terminals, then you are getting injector pulse, and the fault lies elsewhere. If not, then you will need to replace whatver sensor is used to provide engine position signal on that model. Also, check the wiring to that sensor. Some vehicles have problems with the crankshaft pulley harmonic balancer failing and damaging either the body of the crank position sensor or its wiring.

Posted on Nov 02, 2008

pippall
  • 1486 Answers

SOURCE: 1987 chevy S10 engine idle problem

relace the throtle air idle valve.The temp switch will allso cause this problem.

Posted on Jul 19, 2009

  • 541 Answers

SOURCE: My 4.3 vortec engine in my s10 blazer won't start

try the ignition module. if it is bad it does not send the signal for the the throttle body injectors to spray feul.

Posted on Oct 23, 2009

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SKM, fuel pressure regulator is on top of throttle body. This could be the problem, could also be vacuum leak, faulty EGR, etc. You may want a good Tech, to diagnose and estimate repair. Check the attached links,instruction and guides, Good luck
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That eliminates the crankshaft and camshaft position sensors. Have you checked the fuel injector itself for an open winding or stuck valve plunger? There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other. You should hear a click from inside every time you touch 12 volts. If not, replace it. If it does, it may be plugged with debris. Try blowing through it in reverse with compressed air.

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