Question about 1998 Chevrolet Tahoe

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1998 chevy tahoe 4x4 wont start. not getting fuel to throttle body I have replaced the fuel pump and it still will not stay running unless I pore gas into the throttle body...

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Computer showing any codes? Could be a bad regulator or a leak in the system allowing air in and fuel to flow back to the gas tank.

Posted on Jan 14, 2013

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SOURCE: 1998 chevy tahoe 4x4 wont

fuel pump or fuel pressure regulator. When you turn the key do you hear fuel pump run? If not odds are the pump is bad.

Posted on Aug 23, 2010

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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.

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I have a 93 S-10 Tahoe 4WD pickup that wont start. I've changed the fuel filer and i hear the fuel pump working, but it wont start unless I pour gas or starting fluid in the throttle body. it will start...


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1998 chevy tahoe 4x4 wont start. not getting fuel to throttle body. its not a fuel pump relay i tried it. it will start if i pour gas in the throttle body


fuel pump or fuel pressure regulator. When you turn the key do you hear fuel pump run? If not odds are the pump is bad.

Aug 23, 2010 | 1998 Chevrolet Tahoe

1 Answer

Not recieving gas to crank.


You jimmy has no throttle body, the injectors are in the intake manifold in front of the intake ports. To have them activate, you need 62 to 65 PSI at the shredder valve. Anything different will not activate the injectors and DO NOT TRY TO START THE ENGINE BY PORING GAS THROUGH THE THROTTLE BODY. It's been know for the gas to catch fire and burn up the poppet valves, (fuel injectors) which will result in a $1,500 Spider injector replacement. If you do not have the proper fuel pressure, chances are the fuel pump will need to be replaced. When replacing the fuel pump, replace the wire harness from the fuel pump to the frame, it's only $12.00 and will keep the gremlins away. Good luck and keep me posted, the other thing too that would cause the injectors not to fire is a bad ignition modulator with is located under the rotor in the distributor. Keep me posted, be glad to help you get your jimmy running again soon.

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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

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1998 chevy malibu turned car off at gas station want start back


sounds like an antitheft system malfunction - check to see if light stays on after you remove the key

Jan 09, 2009 | 1998 Chevrolet Malibu

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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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Fuel supply


sounds like there is no power to the fuel pump while cranking. check the oil pressure sender this helps the fuel pump run under cranking

Oct 13, 2008 | 1998 Chevrolet Tahoe

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