RAN FINE BEFORE I JUMP STARTED IT

1993 GMC S15

Tiny

steverfive

December, 18, 2011 AT 11:51 PM

I have a 93 gmc jimmy was running good before I jumpstarted it useing the boost start on charger now it is missfiring could that have done somthing to make it do that

FOUND 2123 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

2 Answers

Tiny

rasmataz

December, 18, 2011 AT 11:56 PM

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs

2.Inadequate spark/coil,defective spark plug wire.

3.Lack of compression

4.False air leakage.

5.Faulty fuel injectors.

6.Insufficient fuel pressure.

7.Contaminated fuel.

8.EGR valve that is leaking.

9.Oxygen sensors.

10.Throttle position sensor.

11.Manifold absolute pressure sensor

12.Mass Airflow Sensor

13.Idle air control valve

Note: If it doesn't apply disregard it-

Tiny

CJ MEDEVAC

December, 19, 2011 AT 5:12 AM

UN-JEWG YOUR BATTERY

INSTALL FULLY CHARGED OR NEW BATTERY. DON'T MATTER. NOT ANOTHER JUMP

INSURE CHARGING SYSTEM WORKS.A POPULAR AUTO PARTS STORE WILL DO IT FOR FREE MOST OF THE TIME

YOUR "RUN" DOWN BATTERY MADE THE COMPUTER GO HAYWIRE

JUMPING YOUR RIG, FIRED YOU UP, GAVE YOU "JUICE", CHARGED YOUR BATTERY, OR ENABLED YOUR STARTER TO WORK

COMPUTER IS STILL HAYWIRE, FROM THE VOLTAGE DROP INITIALLY--NOW MAY STILL BE RUNNING ON "HAYWIRE DATA"

UN-JEWG-ING MR. BATTERY AND.A.10 MINUTE WAIT, SHOULD RESET MR. COMPUTER

THEN INSTALL YOUR FULLY CHARGED BATTERY (RECHARGED, DIFFERENT, OR NEW)

OFF TO THE PARTS STORE---FOR BATTERY AND CHARGING SYSTEM TESTING!

IF YOU DON'T GET THIS STUFF CHECKED.

IF THE BATTERY OR CHARGING SYSTEM SHOULD DROP VOLTAGE AGAIN

GUESS WHAT?

SAME THING WILL HAPPEN!

RETURN WITH WONDERFUL NEWS!

. AND YOU OWE ME LUNCH!

THE MEDIC

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