Question about 2000 GMC Jimmy

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Service engine soon light

The service engine soon light keeps coming on also somethimes hestitate when taking off. Does the points and plugs need changing?

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  • thomas_della Jan 17, 2009

    i have 111k miles with the same problem, i brought it to my mechanic to turn off, or service or whatever. AutoZone supposedly will check it for ou but wont turn it off

  • 100KJimmyman Jan 19, 2009

    Mine has been on for over a year. I had two different mechanics look at it and they could not find anything. Another different mechanic (no. 3), looked it and the code that came up was secondary air injector (P0104). When you look up the codes online, P0104 is not there. It jumps from P0103 to P0106. The mechanic told me it might be a bad hose somewhere. So there is no solution and it still runs.

  • trav350 May 11, 2010

    what codes are present in the computer? it could be something as easy as a bad plug wire(s)

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Have the tps(throttle position sensor) checked also check the codes

Posted on Jan 24, 2009

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You can buy a reader and resetter for under 100.00 and you will make alot of friends at same time. Get the one that you dont need to look up codes even better

Posted on Jan 24, 2009

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Have autozone check the codes and repair the indicated problem. The light should reset itself when the problem is fixed.

Posted on Jan 23, 2009

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1 Answer

Engine light on andcar missing


Hi there:
If the Check Engine Light comes on in the city but goes off on the freeway, then the fault is present during city driving conditions. Pay attention to whether or not the vehicle runs or drives any differently when the Check Engine Light illuminates. If vehicle performance does change, drive the car as little as possible and take it to be checked by a service professional as soon as possible. If there is no change in vehicle performance, you can drive home, but have it inspected as soon as possible. In this condition, you run a risk of the vehicle dying or not starting.

* The Check Engine Light comes on and stays on.
If the Check Engine Light illuminates constantly during driving with no noticeable driving or performance problems, there is a permanent fault in the emission control system. When this happens, the computer that controls the emission system usually has a backup program that runs while the fault is present. (These backup programs are often referred to as "limp home" mode programs.) You should get the vehicle serviced as soon as possible, but in most cases, the vehicle will continue to operate, though you run a risk of it dying or not starting.



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Jun 28, 2012 | 2003 Mini Cooper

2 Answers

I changed my spare plug wires but still the engine service soon light still is on


I have a 1999 Mercury tracer. I was driving down the highway two weeks ago and my check engine light came on. i went to autozone and he said something about misfire on bank and vacuum leak. He said it bascially was a tune up. i got in my car the next day and the light went off. it didnt come back on. Last sunday i got a tune up and a oil change. i was driving to work today when my service engine soon light came back on. could it be because its been warm here in st louis and all of a sudden its cold. or do i just need to get it reset. i hope its nothing major because im broke right now and cant afford to get it fixed

May 02, 2012 | 1999 Mercury Tracer

1 Answer

Engine light on, engine hestiting, no power.Comes and goes. Changed plugs, coil, then computer, then fuel injector and still same problem and even harder on gas. Light comes on after putting fuel.


You might better try stopping at one of the bigger autoparts stores like Pep Boys, Autozone etc, and get a free code scan to point you in right direction before spending more money. If it's not obvious by codes, get back to us with those codes and we'll better be able to assist you.

Dec 04, 2010 | 2008 Dodge Avenger

1 Answer

Can't get check engine light off


Take your car to Auto Zone and have then run a FREE SCAN to your computer in your car. If something comes up that is wrong they will tell you what is needed. If nothing comes up have them clear the codes from your cars computer

Jan 30, 2010 | Kia Rio Cars & Trucks

2 Answers

Service engine soon light keeps comming on


Have had the car serviced lately? Oil change, tune up, things of that nature? It may be time to do that stuff. Does that car have a "Service Engine Soon" light and a "Check Engine" light? If the car has been serviced recently and the "Service Engine Soon" light is coming on, it's because who ever serviced it, did not reset the light. To reset the light, this works on most GM cars, turn the ignition to the "on" position DO NOT START THE CAR!!! Now within 5 seconds push the gas pedal to the floor and release it 3 times. That should reset the light if that don't work, you may want see what it says in the owners manual. Or you may have to take it to a shop. If the "Check Engine" light is coming on then there is a problem with the vehicle and there should be a "code" in the computer. Most auto parts stores will put a scanner on your car and read the codes for free. Those lights are there for a reason, if ignore them your car will let you down.

Jan 23, 2010 | 1999 Pontiac Grand Am GT

1 Answer

2002 ford expedition "service engine soon" light keeps coming on. I've had the O2 sensor replaced three times in the past month, now the next day or two after the sensor replacement the light comes back...


get a new mechanic, need to check for vac. leaks, poss needs tune up. alot O2 codes i have gotten have been created by vacuum leak or warn out plugs, rarely have i had to replace a O2 sensor.

Oct 14, 2009 | 2002 Ford Expedition

1 Answer

2003 Hyundai Sonata hestitates; now won't start


Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' (Service Engine Soon) light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on.
You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE the problem and perhaps eventually fix the problem.

Aug 12, 2009 | Hyundai Motor 2003 Sonata

3 Answers

2004 Saturn VUE (M/T) STEADY service engine soon light


SOME TIME PCM GET A VOLTAGE SPIKE.OR ELECTRICAL INTERFERENCE WILL CAUSE SERVICE LIGHT TO COME ON WITH NO CODES.IF IT KEEP HAPPENING TAKE IT TO DEALERSHIP TO CHECK IT OUT.

Aug 12, 2009 | 2004 Saturn VUE

4 Answers

Service Engine Soon light on 2002 BMW X5


go back & sleep with the mechanic, that always works for my sister.

Jan 02, 2009 | 2007 BMW 530xi Sports Wagon

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