Question about 1998 Chevrolet Cavalier

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Stalling, looses power

When i push on the accelarator/ gas my car looses power. also it stalls constantly. can the fuel relay switch be causing any of this

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It sounds more like a dirty (MAF) Mass Airflow Sensor or a defective TPS ( Throttle Position Sensor) .

Posted on Jun 04, 2010


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Why is it stalling over and over?

Check to see if wipers and heater motor work when vehicle stalls. If all the electronics that you mentioned don't work along with the wipers and heater motor, I would suspect an ignition switch failure

May 11, 2015 | 1996 Buick LeSabre

1 Answer

Fuel pump relay wiring diagram

hot engine or cold or both??????????
and #1 all time question on topic, can you prevent the stall with a fast acting right foot.. A KEY CHECK and FACT !
Is it totally intermittent, and runs perfect other times,,,, gee, just a hint here.....???????? if yes, #2 below is probably ok.

can be lots of things, that cause stalls (over 50), not just the fuel pump.
we check fuel pressure if at spec. then i forget that. (easy huh?)
let me make a list . (works on all gas cars)
  1. lost 12vdc power to EFI system (dash lamps go dead?) loose fuse? dead battery, battery lugs filty, etc.
  2. bad engine compression , can happen hot,
  3. lost spark , ever give it a 60k mile tuneup? test spark using SOP ways and means, google it.
  4. bad fueling (note how its last as you can NOT burn fuel with above bad. period. We learn to read spark plug tips for clues.
  5. bad fueling too much is flooding or starving.
  6. EGR valve stuck open will stall any engine , or near stall.
  7. there are up to 50 causes but the above MACRO , covers most.
ever think to use a scan tool and scan it for errors at the stall.
a scan tool can be had for $9 buck.s
or rent one, or barrow one, many auto stores lend them.
in the hope you will start buying parts like crazy, lacking and FSM
and the reading these tests. in said manual.

Apr 10, 2014 | 2001 Suzuki Aerio

1 Answer

Engine runs rough, no power, stalls

you may need to get your fuel filter replaced

Jan 28, 2014 | 1991 Ford F250

1 Answer

If 3100 engine is running smooth could the cam shaft sensor be bad in a pontiac grand prix

Not CAM or Crank angle sensor.. Try check supply fuel line pressure n spark plug n ignition coil output.. the ignition coil output should be blue spark n spark jump at least half inch.. But be careful coz its hi tension..

Feb 01, 2013 | 1998 Pontiac Grand Prix

1 Answer

My 94 mx6 keeps stalling

I would not recommend throwing parts at it.
If the computer or O2 sensor is the problem you should have a check engine light on the dash. Usually the EGR valve causes a problem when you are slowing down not just on turns.
If you have not replaced the fuel filter this year I would do that to scratch it off the list.
The throttle position sensor could be failing but not to the point of turning on the check engine light. It can be tested with a meter.
You need to find out if you are loosing fuel pressure or creating a vac leak when the stall happens. Could be a vac hose or something that is moving when you are moving the engine.

Sep 03, 2012 | 1994 Mazda MX-6

2 Answers

Engine Light Flashing, car sounds rough, idle is up and down

It sounds like maybe a blown head gasket causing coolant to leak into the combustion chambers. If you have a mechanic friend, Better offer him a meal or something to get him/her to have a go at it. Taking it to a shop won't be cheap.

Mar 04, 2010 | Hyundai Motor 1997 Tiburon

1 Answer

Motor bogs down at stoplight when pushin gas pedal

The fuel pump relay will cause a stalling or no start condition. You are likely having mass airflow sensor, fuel pump, or fuel pressure regulator issues.


Nov 08, 2008 | 1985 Volvo 740

2 Answers

85 740 GLE Non-turbo stalls when put in gear or push on accelerator

Its really sounds like the throttle switch, chack him.

Jun 17, 2008 | 1985 Volvo 740

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