Question about 1994 Oldsmobile Bravada

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94 bravada it's a brand new pump, checked all fuses, relays and wiring. still nothing. thanks anyway

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On the backside of the engine close to the top there is a bleeder valve in the fuel line.check your fuel pressure there.if gas comes out and sprays basically to the top of an open hood,your pressure is fine.check the spark on your number one plug.it has to be a bright blue spark.if not change your pick up coil.make sure you also purge air out of the fuel lines.any leaks in the system or air in the lines will cause it to not fire.the bravada requires an ungodly amount of fuel pressure to keep your engine going.hope this helps

Posted on Jan 08, 2009

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Definitely sounds like an electrical problem. I would check your fuses and relays. I'm no car expert but I know there are fuses/relays for the starter and ignition. If those are all good, follow/check the wiring from the starter back to the battery. There's probably some kind of ignition control module (icm) also. When mine went out in my Chevy truck it did the same as what you've explained yours is doing or not doing I should say. Good luck!

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I replaced fuel pump and fuel filter but car still wont start. it will only crank if i keep putting starting fluid in it. what would be the problem?


bad fuel pump, loose wiring, blown fuse, or bad fuel pump relay. don't think just because a fuel pump is brand new out of the box it's good. i got an A/C delco fuel pump, installed it in the customers truck tried to start it .... nothing. checked all wiring, grounds, fuse, relay etc. everything was good. pulled the pump back out of the tank and wired it direct to a battery and it did nothing. got another pump installed worked just fine.

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Where is the Fuel Relay located on a 94 Oldsmobile Bravada?


the fuel pump relay is on the driver side firewall its a bracket with two relays on it. the relay closes to the fender is the one for the fuel pump. if you want to do a quick test of the relay is to run a jumper wire from orange wire to the grey wire you pump should start working.if it does work then replace the relay. if it doesnt work. run a jumper wire from the battery to the grey wire if the fuel pump still doesnt work replace the fuel pump, however if it does work you have a short in you wires. a good back yard fix for this problem is to run a wire from the battery to the orange wire. hope i didnt confuse you let me know if you need more help.

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2 Answers

What would make the fuel pump not work on a 94


Fuse , relay , fuel pump , check these in that order.

Good Luck !

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1 Answer

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1 Answer

1992 bravada,cranks-no start, missing fuel pump


You can try to test the relay for function by swapping it with a known good working relay. If this does not work, you can put a jumper between the terminals that energize the pump (relay removed, ignition off). (On the Bosch Jetronic systems I used to work on, the pump would energize even with the ignition off). If there is still no sound, briefly turn the ignition on, and listen for the pump to energize. If you heard nothing, assume the pump is defective. I found most fuel pump problems and failures to occur in vehicles with 125,000 to 175,000 miles of use.

You may also try to check the Hall effect sensor ( a magnetic pulse detector that controls both spark and fuel flow) located within the distributor body (where the spark-plug wires attach to the distributor.

And finally, if that is good, check the ignition module within the distributor. It's a sealed transistorized circuit bolted to the inside of the distributor body with 5mm bolts.

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2 Answers

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check your fuses under hood and under dash and if they are good it is possible to get a bad fuel pump or one that has the incorrect fuel pressure

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