Question about 1999 Chevrolet Tahoe

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I changed the fuel pump on a 1999 chevy tahoe and it still wont start. Then I checked the fuel line at the filter and there was no pressure. What might it be?

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Posted on Jan 02, 2017

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SOURCE: 1999 chevy blazer fuel problem

probably not fuel filter . probably going to have to remove the upper intake and replace the fuel injector spider(fuel inj assebly) if it is droping fuel pressure it is leaking into the upper manifold

Posted on Nov 30, 2008

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SOURCE: I need a diagram for 1998 chevy tahoe fuel pump

Do you want a diagram, or do you just want to replace the pump?

Posted on Dec 17, 2008

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SOURCE: 1998 Chevy tahoe Hard to start when cold

replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

Posted on Feb 17, 2009

mcgyver468
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SOURCE: fuel gauge bouncing on 2000 chevy tahoe where is fuel pump relay

fuel sending unit is in the tank. this is normal after about 75k miles and up. pump and sending unit are sold together. fuel sloshes from front to rear making the float on the sender rise and fall.

Posted on Apr 21, 2009

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SOURCE: My 1999 Chevy Tahoe wont start unless i spray

It is not a fuel pump problem.
It a cold start valve problem. It didn't open. There are 2 things to check.
1- The cooling thermal sensor is not sending the proper signal to the ECU to turn on the cold start valve.
2- The bad solenoid inside the cold start valve causing it not operational.
Case 1 you can easily replace the thermal sensor.
Case 2 checking this requires professional skill to confirm if there is a signal at the valve during the start.
Good luck

Posted on Aug 04, 2010

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1 Answer

Its a 1999 chevy tahoe. Changed fuel pump twice.


Could be the pressure regulator on the fuel rail. Pull the vacuum line off the regulator and check it for fuel contamination. There should not be gas in the line. If there is fuel in that line the regulator is bad and needs replaced.

Sep 15, 2014 | 1999 Chevrolet Tahoe

4 Answers

My 1999 chevy tahoe wont start.. changed fuel


You don't say if you have checked anything else. It could be any number of issues. I would look into either the crank sensor or the ECM as possible failures. Did you have any Service Engine Soon lights recently? Have you had the ECM checked for any stored trouble codes?

Sep 15, 2014 | 1999 Chevrolet Tahoe

1 Answer

Chevy tahoe 1999 now it starts but runs for a few seconds then i wait it starts and run for a few seconds again


Seem's like your fuel pump isn't able to keep the good fuel pressure.

Might be a good idea to check your fuel rail pressure. I assume that it drops before your engine dies!!!

If fuel pressure is ok in your rail, try cleaning the fuel rail and injectors. Sometimes dirt can go from a trashed fuel filter an clog yor rail or the injectors.

Jan 27, 2014 | Chevrolet Chevy Cars & Trucks

1 Answer

My 1996 Chevy Tahoe wont start unless you put gas into the throttle body


Will it continue to run aftre you manually prime it? If so, you are lossing fuel pressure over time which may indicate a leak in a line and or a faulty fuel pump. (low pressure) Could also be a restriction in fuel line (filter) Frozen water in the line is not unheard of in cold climates.

Dec 01, 2010 | 1996 Chevrolet Tahoe

1 Answer

My engine on my 1999 chevy tahoe tries to die when i give it gas, it boges down or acts like its going to die


Change fuel filter, check air filter, If this doesnt help, check fuel pump pressure, should be over 55 lbs.

Jul 24, 2010 | 1999 Chevrolet Tahoe

2 Answers

99 tahoe 5.7 wont start


your fuel pressure is suppose to be 60 - 66 psi. first replace fuel filter.and check vacuum line going to fuel pressure regulator.make sure vacuum is going to vacuum line.if changing fuel filter dont help. fuel pump could be faulty.

Dec 14, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

1999 chevy tahoe 5.7 wont start in the am without starting fluid but as long as you start it every 1/2 hr or so it starts fine. runs good once started any suggestions?


check fuel pressure. If its marginal then replace the pump. These trucks are touchy on fuel pressure. Just a couple psi low and they do exactly this. In the morning cold is when you need max fuel. Be sure to replace the harness also as these tend to lead to repeated pump failures when faulty, which is pretty common

Nov 18, 2009 | 1999 Chevrolet Tahoe

3 Answers

1998 Chevy tahoe Hard to start when cold


replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

Feb 17, 2009 | 1999 Chevrolet C/K 2500

2 Answers

2001 checy Tahoe wont stay running for more then 10 seconds?


hi i have a 1997 chevy tahoe that starts but won't stay running i have changed fuel pump, fuel filter,relay ,spark plugs, and just changed rotor and dis. cap ready need some help to figure this out please.

Jan 31, 2009 | 2001 Chevrolet Tahoe

1 Answer

1998 Chevy tahoe Hard to start when cold


Hello, yes the check valve is in the fuel pump assembly. The check valve is leaking and the pump will burn out soon. Unfortunately the aftermarket fuel pumps can be very unreliable. A good portion of problems we see on this site are from people who replace the pump sometimes twice and it still doesn't work.

Jan 03, 2009 | 1998 Chevrolet Tahoe

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