Truck won't start

TONY VANNOY

MEMBER
1997 CHEVROLET SILVERADO
V8
2WD
AUTOMATIC
183,000 MILES

I have a 97 Chevy c1500 with a 305. I was driving down the road the other day and it just shut down without warning, typically it runs smooth. I noticed the fuel pump was getting loud so I replaced it and the fuel pump, it still won't start. It does seem to be a problem with the fuel management, I get plenty of spark, but I don't smell the gasoline. Yes there is gasoline in the tank, tank was 3/4 full when it shut down on me.

3 Replies

SATURNTECH9

MECHANIC
30,869 POSTS

Go to the auto parts store and rent whats called a noid light unplug the injectors and plug the light in it's place and crank the engine over to start it the light should flash. You could also use a test light to check for injector pulse. Do you have a test light?Also do you have a multimeter?Also I would rent a fuel pressure gauge at the auto parts store. Screw it to the nipple on the fuel line going up to the injector rail. Then crank it to start it for 5 seconds and check the readings. Also do you have any trouble codes in the computer?We have to start by checking the basics first.

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Wednesday, September 2nd, 2020 AT 5:49 PM

TONY VANNOY

MEMBER
3 POSTS

I went an bought an obd sensor to make things a little easier, the only code that came up was p0122. Throttle/pedal position sensor/switch a circuit low. I replaced throttle position sensor, still won't start, but now there is no codes. What should I do now?

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Wednesday, September 2nd, 2020 AT 5:49 PM

SATURNTECH9

MECHANIC
30,869 POSTS

Does your obd2 scanner read live engine data?If so key on engine off what does the tps read with the gas pedal not being pressed?Also rent the fuel pressure and get the noid light to check the injector pulse let me know when you get those things and I will tell you how to check those thing's.

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Wednesday, September 2nd, 2020 AT 5:49 PM