Question about 1999 Chevrolet Tahoe

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On a 1999 chevy tahoe with a 5.7 v8 with the spider injection what shouold the fuel pressure be at the fuel rail?

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Jan 03, 2009

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SOURCE: fuel pump replacement 1999 chevy tahoe

That has alot to do with the price of the pump, i know there expensive. The thing to do is call an auto parts store and ask what the price is for a pump, once you know that, then you can call around to shops in your area and get there price or labor rates, and that will give you an idea what it will cost. I know its alot of calling but its the best way, so you can guard aginst being riped off. It should not take a good michanic more than 2 to 3 hours to chg. one.

Posted on Feb 05, 2009

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SOURCE: 1999 Chevy Tahoe won't Start. Motor will not turn over.

I'm assuming that by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and check the charging system after re-starting. Lights and radio do not pull the same amperage as the starter and may not tell you much about battery condition. If you have full battery voltage, check the starter for 12v at the battery connection and the small (trigger wire) for 12v with the key turned to start position. If you have both, likely starter has failed.

Posted on Jun 06, 2009

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Posted on Feb 12, 2010

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SOURCE: I have a 99 Tahoe 5.7, the garage said it needs a

with all 8 injectors in place the injector lines resemble a spider with legs.If one injector is bad the rest will soon fallow .

Posted on Feb 24, 2010

Testimonial: "OK I get it. The spider a complete assembly. Thanks for the Information."

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97 Chevy Suburban 5.7 liter vortec 62lbs pressure at Schrader valve. Fire at spark plug. Sprayed starter fluid down throttlebody. Immediately pulled spark plug and they were dry. I'm lost please help


What fuel injection system does it have ? Center port fuel injection or fuel rail injection ? Are the injectors being controlled (turned on) by the PCM - engine computer ? Do you know how to test injector drives ? Injector driver is a transistor inside the PCM , that controls the on/off time of the injectors . How to test fuel injector circuit with basic tools open control wire How to change SPIDER INJECTOR on Chevrolet V8

Jan 28, 2017 | Cars & Trucks

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

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

I have a 1997 Chevy Tahoe 4 door V8 5.7 liter vortec. I replaced the fuel pump. I got good fuel pressure on the fuel rail up by the throttle body. It will start when I put fuel in the throttle body but it...


What is your fuel pressure with key on engine off? On these fuel systems if you do not have at least 52 psi or poppet valve inside the injector will not open allowing fuel thru.Let me know what it is i will try to help you.

Apr 16, 2011 | 1997 Chevrolet Tahoe

1 Answer

I have a 99 Tahoe 5.7, the garage said it needs a new fuel injection spider. Do they also need to replace all the injectors with the spider?


with all 8 injectors in place the injector lines resemble a spider with legs.If one injector is bad the rest will soon fallow .

Feb 24, 2010 | 1999 Chevrolet Tahoe

1 Answer

How to replace spider regulator on a 1999 gmc jimmy


This fuel pressure regulator is a component part of the SFI (sequential fuel injection) assembly, sometimes referred to as "spider". It resides inside of the air intake plenum and is accessed by removing the upper half of the intake. 
Good luck and hope this helps. 
Most of the time when your having problems, it's most likely going to be the whole spider unit. GM has been know to have problems with this type of fuel injection system. 
Check the vacum line to the fuel pressure regulator at the back of the spider housing by the high pressure fuel line. You can see it just in front of the distributor cap and spider assembly.

Apr 23, 2009 | 1999 GMC Jimmy

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

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