Question about 1997 Chevrolet C1500

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1997 chevrolet 1500. Fuel pump is working with good pressure, it have spark and the fuel injectors are working. The problem is engine will crank but it won't start; but if you introduce starting fluid throw the intake the engine will start and it won't turn off until you close the ignition switch (in other words you can drive all day the problem is to start). I change fuel pump, crankshaft position sensor, air flow meter, fuel pressure regulator and all intake gaskets. PLEASE HELP

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I don't know liter size of engine? I need fuel pressure spec?
If you have the spider fuel system, that system is noted for problems. Usually the start up fuel pressure is 60--66 psi, after it is running, it will run with less pressure.
There used to be service bulletin on the spider fuel system for sticking poppet valves on first start up of the morning. Then it would usually run fine the rest of the day. The fix was to clean the poppet valves. The cleaning procedure I saw was a shop procedure.
If it isn't a fuel issue, engine cranking, the vehicle systems get battery voltage, engine running the systems get alternator voltage, that can be several volt difference. Any applicable trouble codes?

Posted on Jun 01, 2017


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Posted on Jan 02, 2017

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SOURCE: 2000 chevy blazer, truck cranks

Does your battery go dead?

Posted on Dec 18, 2008

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SOURCE: i changed my intake gasket, and now wont start!

re-torque the intake manifold bolts in the proper pattern. also check that the hose from the filter to the throttle body is hooked up correctly with no air leaks

Posted on Mar 07, 2009

  • 214 Answers

SOURCE: intake gasket went bad on 1998 chevrolet lumina

There is None to my knowledge.. Ive done thousands of them.. Its way too hard to explain.. I did my first one by the seat of my pants.. only advice I can give is : Dont mix up the pushrods!! If ya do,, it'll warp valves bc the intake and exaust push rods are different lengths

Posted on Mar 11, 2009

  • 116 Answers

SOURCE: 1999 chevy blazer wont start


if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Posted on Apr 11, 2009

  • 43 Answers

SOURCE: service engine soon light on 2002 chevrolet tahoe stays on

That normally means that you have a issue with your gas cap try replacing your gas cap first then diconnect the negative terminal of the battery for about three minutes to clear the memory and start the truck again

Posted on Apr 11, 2009

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1999 chevy 1500 cranks but won't start. Have good spark.

Check the fuel pressure. If it has none the pump went bad but then you can have a pump that is pumping but at to low of a preesure to get thru the injectors. To verify a fuel issue pour just a bit of fuel into the intake and crank the vehicle. If it starts you need a new fuel pump.

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I have a 1999 Chevrolet Suburban 1500, 350 V8, automatic. The engine cranks, starts and then immediately dies. Fuel pressure is low (about 50 psi) and decreases slowly after engine stops. Have already...

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I'd use a gage and check proper fuel pressure, key on engine off, 60--66 psi with spider fuel system.
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Hard to start engine

Could be fuel pump, or dirty or fautlty injectors. The gas additives only clean partially, not sure of recommendations here, but most mechanics claim you need to pay them to hook up a high pressure cleaning system to do a thorough job on injectors.

Best bet would be to check fuel pressure with a pressure guage, I used to have on of those, not sure if it would work in today's fuel injected engines.

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