1994 Chevy S-10 Fuel

DGUNNOE123

MEMBER
1994 CHEVROLET S-10
4 CYL
2WD
MANUAL
100,000 MILES

I'm not getting fuel past the injectors. Tried noid lights, they do not come on. Have power to the injectors, reads positive on both sides.
cant figure it out.

Saturday, September 20th, 2008 AT 1:50 PM

4 Replies

BLACKOP555

MECHANIC
10,371 POSTS

Your getting +12 v at both sides of the injector connectors?

Unhook all connectors from injectors first then try checking for pulse? Same thing?

Get back to me.

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Saturday, September 20th, 2008 AT 6:00 PM

DGUNNOE123

MEMBER
3 POSTS

I unhooked all the connectors, and got positive on one side only. No pulse.

Tired noid lights with all disconnected, still no pulse.

With noid light plugged in, both sides on all plugs were positive again.

When turning key one, fuel pump does not come on until cranking the engine.

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Sunday, September 21st, 2008 AT 10:24 AM

BLACKOP555

MECHANIC
10,371 POSTS

You getting a reading on the tachometer when cranking? Spark?

Since your not getting the trigger pulse I would be checkign the ignition circuits as that helps handle the pulse and the pump.

Also hows your oil pressure look when cranking?

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Monday, September 22nd, 2008 AT 9:31 PM

DGUNNOE123

MEMBER
3 POSTS

My oil pressure goes up to 60 psi while cranking over the engine another problem has recently accured dome light comes on with head lights and the dash lights are not coming on now. I think that there is just to much electrical problems to continue time to scrap the truck

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Saturday, September 27th, 2008 AT 11:20 PM