Question about 1996 Chevrolet Suburban

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Fuel pump 96 suburban turns over just fine but I don't hear the fuel pump engaging like it normally sounds. the fuse checked out just fine as did the relay. is there a kill switch located on this vehicle? if I need to change the fuel pump can you tell me if there's a hatch to access it or do I need to drop the tank?

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There is no fuel pump switch, u must drop the fuel tank to change the pump.

Posted on Dec 17, 2008

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1 Answer

Have fuel delivery problems on 96 rav 4, originally thought it was fuel pump untill i manualy actuated fuel pump relay that is located under dash and heard the fuel pump engage. pump still does not come on...


Check the 7.5A IGN FUSE in the fuse block. The circuit opening relay (RB#5) and the EFI main relay (RB#6) have to close to activate the fuel pump.

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maybe you can reed this:
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My car doesn't start but the battery is fine. The engine fuses are fine. There is no fuel going into the engine. What could the problem be? I already replaced the fuel pump. my car is 96 Dodge grand...


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Vehicle will not start, normally when ignition is in on position there is a whining noise for a few seconds, I wait until the whining stops and then start the vehicle. Now, when ignition is on on position...


Hi. The whining noise you hear is the fuel pump priming the fuel lines. If you don't hear the sound anymore then your fuel pump has stopped working. Check your fuses. Also look for a relay for the fuel pump. The relay will usually be in a large box under the hook that says fuse and relay panel or something similar. If the fuses and relay are working the the pump will probably need to be replaced.

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You can check to see if the fuel pump is bad..Remove gas cap and listen into tank while another person turns key on.If you here a buzzing noise the fuel pump is most likely OK...If you don't here anything Check owners manual for fuse location and check to see if there are any blown..There is also a fuel relay fuse under the hood

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I know there is not one on the 96 models. I fought a fuiel pump related issue on our 96. There are several sensors that must be working before the fuel pump will run. Start with the crankshaft sensor, then look at the camshaft sensor, finally there is a relay that actually runs the fuel pump. The relay should be under the hood with the fuses.

Dodge dosen't use reset switches on the fuel pump circuit. The only company I know of that does is Ford and Ford companies like Mazda and Jaguar.

Hope helps.

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1 Answer

92 Chevy Suburban Electrical Fuel System


I assume the fuel pump fuse is good?
The only time voltage will be sent to the fuel pump will be the first 2 to 3 seconds if the starter is not engaged. You will want to crank the engine over and check for voltage on the load side of the relay, circuit #30 at the relay.
Let me know after you check.
Regards,

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1 Answer

Fuel pump


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