Question about 1998 GMC Jimmy

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1998 gmc jimmy service engine light code reeds engine misfiring

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6ya6ya
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Posted on Jan 02, 2017

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psds4
  • 293 Answers

SOURCE: 1998 GMC Jimmy Vortec V6 4.3L 4WD

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800bfc68
hope this helps

Posted on Oct 17, 2008

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  • 37 Answers

SOURCE: 95 gmc jimmy engine codes

9141 does not exist I will assume it is DTC P0141 HO2S Heater Performance Bank 1 Sensor 2

The VCM has the capability to monitor this process by using the Heated Oxygen Sensor (HO2S Bank 1, Sensor 2). The HO2S (Bank 1, Sensor 2), located in the exhaust stream before the catalytic converter, produces an output signal which indicates the storage capacity of the catalyst; this in turn indicates the catalysts ability to convert the exhaust emissions effectively. If the catalyst is functioning properly, the HO2S signal will be far less active than the signal produced by the Heated Oxygen Sensor (Bank 1, Sensor 1).
When the HO2S temperature measures below 360°C (600°F), the sensor will not produce any voltage and will behave like an open circuit. This will result in an Open Loop operation.
The HO2S heater provides for a faster sensor warm-up which allows the sensor to become active in a shorter period of time and remain active during long extended idle. The DTC P0141 determines if the HO2S is functioning properly by checking the response time of the sensor. This DTC is a type B DTC.

Posted on Dec 06, 2008

thrca
  • 28 Answers

SOURCE: engine keeps missing. unknown codes

Code 1682 indicates low battery voltage. This could be a problematic alternator, which would likely cause misfiring. Autozone should be able to check this for you for free.

Code 1391 indicates the computer can not see the crank or cam sensor signal. This would likely be a result of the misfires.

Code 0320 indicates the crankshaft position sensor reference signal could not be found while the engine is cranking.

All of these issues point to either a cam/crank sensor malfunction or a charging system problem, either or both of which could cause the misfiring.

Posted on Sep 06, 2009

  • 85 Answers

SOURCE: 1998 Chev Astro 4.3L AWD. Rough idle & misfire Cylinder 6

Hi, the 4.3 liters have an injection system on them that can leak and will show up as a misfire. it is common but elusive to find. you might consider taking the van to a repair shop to have the problem diagnosed and go on from there.

Posted on May 22, 2010

  • 218 Answers

SOURCE: where is the engine oil drain plug on a 1998 gmc

i have a 96 and an 01, go under the truck from behind the drivers side front tire, the drain plug is at the back of the oil pan just behind front skid plate, the oli filter is right behind the front bumper , there is a trap door to get to the filter, but that's only for 4x4 or awd modle's, 2wd filter's are on the drivers side of the enging infront of the starter

Posted on Jun 06, 2010

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1 Answer

2003 gmc jimmy on hills loses power check engine blinks then stalls upon restart performs great runs well on flats and even not steep hills .


when engine light blink it is only one thing.......misfire you could have P0300,P0301 and so on
P0300 is multiple misfire
P0301 is cylinder no 1 misfire,the last number tell you the no cylinder
hope it helps

Mar 24, 2014 | 1995 GMC Jimmy

1 Answer

My cylinder is misfiring on my 2000 gmc jimmy


replace fuel filter, air filter, spark plugs, wires, distributor cap /rotor, if you have one. new oil with your filter ? just thought I'd ask, have a auto parts store pull code to see why your service engine soon light is on. this will tell you what sensor needs replaced, I'll bet its the oxygen sensor !

Feb 23, 2013 | 2000 GMC Jimmy

1 Answer

98 GMC 4.3 diagnostic codes


multible engine misfires

Feb 11, 2013 | 1998 GMC Jimmy

1 Answer

I replaced intake manifold on 1998 gmc serria 1500 5.0 liter it got rid of the erratic idling but now if I go above 50 mph I have a loud whining and the engine service light flashes on and off if i let off...


get the failure codes! flashing "service engine soon" lamp means you are damaging your catalyic converters. you could have restricted converters also either too lean fuel mix or or too rich fuel mix. the only other way the lamp flashes is if the engine is misfiring. bottom line, get the codes first so i can help further. the codes will lead you to the problem. it will not necessarily tell you what the problem is.

Sep 06, 2011 | 1998 GMC Sierra

1 Answer

1998 gmc jimmy computer codes p0101 and p0305 misfiring..


po101 is MAF sensor performance. po305 is cylinder 5 misfire.
Hope this helps.

Nov 23, 2010 | GMC Jimmy Cars & Trucks

1 Answer

Flashing service engine light, rpm's bounce, loss of power


you have an engine misfire, to find out which cylinder is the one have the computer fault codes read/checked by a Kragen or Autozone parts store it is free, the last number in the fault code is the cylinder that is misfiring

Jul 19, 2010 | 1996 GMC Jimmy

2 Answers

Number 2 spark plug


Are you sure it's the spark plug that's faulty or the ignition wire?? How old are plugs and wires?
If you don't know if it's your spark plug not firing or your ignition wire you could move spark plug to number 1 then check your code reader.
Or you could do an ohms continuity test on your number 2 ignition wire to verify that there is no break in the wire. Common problem to check for. If wires and plugs are old and high mileage maybe should change all including cap and rotor on distributor. Fresh wires plugs cap and rotor always improve mileage and performance.
Good luck, sorry can't help with tranny.

Dec 10, 2009 | 1998 GMC Jimmy

1 Answer

98 Jimmy has 5 codes (multiple misfire; egr; mass air flow; intake air temp; manifold pressure) Was dogging out on me and the other day it quit. Now it turns over but will not start. Checked and it is...


I would start with the Mass Airflow and EGR sensors first, because they can cause the misfire codes and the intake pressure and temp. Just because the air filter and hoses are clean and free flowing doesnt mean the computer can see that. If your Mass Airflow sensor died, as far as the computer is concerned, there is no air going into the engine.

Jul 28, 2009 | 1998 GMC Jimmy

1 Answer

Check Engine Light came on


get a scanner check code sound like vechicle speed sensor.

Apr 20, 2009 | 1998 GMC Jimmy

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