Question about Chevrolet Cavalier

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Fuel problems in jimmy

You have to pump the jimmy to get it started it will idle for a few seconds then it acts like its running out of gas and dies when you r driving it you have to feather the gas to keep it running what could it be and what should i check

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This sounds like a bad leak at the intake. Have your helper start the car, get it at a low steady rpm and spray a bit of starting fluid to find the exact spot. The engine will pick up. Frankster016

Posted on Nov 28, 2008

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Fuel pump or not?


if you still have gas in the car when it dies out on you then it could be one of two things. the fuel filter is clogged or the fuel pump is going bad. the fuel filter is only gonna be a few dollars to be if you have someone put it one for you. if the problem consists then its the pump

Mar 28, 2012 | Cars & Trucks

1 Answer

When my 1996 Jimmy gets to a half a tank the gas gauge goes crazy and will go to empty then back to half. I acts like it is running out of gas. It also has a rough idle. What could be causing this...


The wire harness to the fuel pump sending unit may be going bad which is common to happen. The harness is around $15.00 and it runs from the frame to the top of the gas tank. The other thing to is the fuel pump sending unit may be going bad and the float in side that measures the amount of gas, has gone bad and the unit may need to be replaced. As for the rough idle, it cold be related to the fuel pump starting to go bad and the fuel pressure is just marginal to keeping the engine running. The fuel pressure during cold start should be 62-65 PSI and should drop about 5 PSI when the engine is running. The other thing to that would casue a rough idle, would be time for a tune up, "spark plugs, wires and distributor cap and rotor, fuel filter"

Feb 08, 2010 | 1996 GMC Jimmy

3 Answers

99 gmc jimmy, been running okay till a few days ago. Drove it to eat, came back out and it won't start. Battery okay. Tries to turn over, but won't. Acts like out of gas, but half a tank.


Listen for the fuel pump prime cycle.
Have someone listen back by the gas tank....turn the key after it has been off for at least 10 seconds to run position....you should hear a WHIRRRR for about a second or 2.
If it is silent....you may need a fuel pump.
Next give it a shot of starter fluid...if it starts on that...you indeed have a fuel problem.No start....no spark.
If no start and you did hear a pump cycle....then it's most likely a no spark problem.......a common cause is the crank sensor and/or ignition module.

Sep 09, 2009 | 1999 GMC Jimmy

1 Answer

My Mazda mx3 starts up idles for a couple seconds then dies.


Before you replace the fuel pump, I would check the cheaiper parts first. Such as fuel filter and injectors.

Jun 17, 2009 | 1992 Mazda MX-3

1 Answer

Car starts, runs a few seconds then stops.


did you spray the maf sensor or intake hole ?if you didnt spray maf then probly not! have some one turn the key why you listen in the fill gas hole for pump noise ? sould here somthing for 2 seconds at least besure you ear is there before key is turned , also check you ecu fuse to see if it may be blown .? also you could try unhooking battery cable for 20 minutes neg side only then rehook it and try to start it! good luck

Feb 17, 2009 | 1999 GMC Jimmy

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