Question about 1994 Pontiac Sunbird

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I have a 94 sunbird it keeps cutting out when stopped what could it be the fuel pump or fuel filter someone put a bad bottle of gasline to help clean the jets

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If it stalls at or near idle do this.
Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Nov 16, 2009

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1 Answer

Find fuel pump cutoff switch on a 1993 pontiac sunbird


Ford is the only one I know of that uses a cutoff switch. GM use a relay usually in the under hood fuse box. Try opening gas cap & have someone put their ear to it, turn key on without starting, they should hear fuel pump hum for a few seconds, meaning it's working. If not check for blown fuse or bad relay, if you find something wrong with fuse or relay, replace it, & do the test again, if still no hum at the pump, it's likely pump is bad or you have a bad connection or bad ground.

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My 94 chevy pick up starts and files good but cuts out bad when put in gear and give gas


could be clogged fuel injectors or fuel filter could be plugged or your fuel pump is weak and needing replaced,what makes fuel pumps go bad in most vehichles is driving with less than a 1/4 tank of gas,it gets the fuel pump hot and works it too hard

Jan 19, 2013 | 1994 Chevrolet C1500

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1998 c1500 , code p300 , bad misfiring shortly after refueling , replaced plugs with no change , could it be bad gas ?? , also put in 3 bottles of injector cleaner that did not help


Probably water in the gas..., although its not common.. ... this problem should cure itself with your next tank of gas.. its not likely to be anything else..is your check engine light on?? have you refilled the tank with gas yet?
Injector cleaner is ok, however they make a gasline product for up north to evaporate water out of the gas tank because the water will create ice or slush in the tank in cold weather..
Methyl Cloride is what I used to use in Canada, in the winter to evaporate water out of the tank.
And maybe you have a lot of water in the tank.... when you take off the fuel filter, you will be able to see water beading up (a clear gasline hose which does not come with your car) will tell you all sorts of stories about water and how clean your gas is (on the gas tank side of your filter)...

Sep 27, 2010 | Chevrolet C1500 Cars & Trucks

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I have a 94 ford arowstar van that turns over but does not start.The fuel pump seems to work because i can hear it.would a clogged fuel filter keep it from running?


Yes a clogged fuel filter could keep it from starting, so could a failure in the ignition system, computer control, or base engine problem.

Oct 25, 2009 | 1994 Ford Aerostar Extended

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My car keeps cutting off. When i go to start it, it wont turn over, and when it does, it turns off shortly after. i think my fuel pump is the problemm but how can i be sure?


Try changing fuel filter first, if not replaced recently. What's the weather like in your area? Cold, maybe try some gasline antifreeze or "heet" in case of bad tank of gas?

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1 Answer

Start with gas but shuts off when you let off


buy a couple bottles of gasline antifreeze and put them in the tank and try it again.

Robert

Sep 25, 2008 | 1992 Toyota Camry V6

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1985 conrvette


poss. is fuel pressure reg. problem. put a guage on the test port and check press. should be above 35psi. see if it stays running when you spray choke cleaner in the pcv valve steadily while starting. if the engine stays running after a few seconds of running on choke cleaner then probably a bad fuel pump relay cause the oil pressure switch will keep the pump on without the relay when it has good oil pressure.
let me know if ya can do this or if it helps.

Jul 04, 2008 | 1985 Chevrolet Corvette

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