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I have a 99 dodge ram 1500 with 5.2 the check engine light comes on for a while then stays off for a while the only codes I found its multiple misfire codes I put new plugs and wires still does the same thing one cylindle shows low compression when check engine light is on but off it runs a little better what could that be.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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dsacco86
  • 1077 Answers

SOURCE: Engine light comes on - Code shows P0300 and then

OBD II 300 Random/Multiple Cylinder Misfire Detected

When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we have either multiple cylinders misfiring, or the computer simply can't determine the specific cylinder, and as such we are left with the P0300 in computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Posted on Apr 05, 2009

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Bat1956
  • 585 Answers

SOURCE: cylinder 1 misfire

If it smooths out at wide open throttle it's probably not the injector but rather a substantial vacuum leak at that cylinder.

Posted on May 06, 2009

  • 34 Answers

SOURCE: misfire on #6 and #8 cylinder 1996 Dodge Ram 1500

Check the spark plug wiring . There are several places where the wires cross each other. These wire cross points MUST be at right angles to each other. Or you will have a misfiring problem.

Posted on Jul 07, 2009

  • 34 Answers

SOURCE: 03 Dodge Ram 1500, P0307 code, check engine light

Try this:

Dodge 1995-1999 V8 spark plug wiring.

http://dodgeram.info/tsb/1998/18-48-98/18-48-98-v8.htm

Posted on Jul 08, 2009

  • 67 Answers

SOURCE: 98 dodge ram 1500 5.9 multiple cyl misfire. cyl 1

did you check to verify that you have the wires in the correct order possible distributor pick up bad

Posted on Nov 12, 2009

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98 dodge ram 1500 5.9L 2wd got misfire codes. Changed cap, rotor, wires, plugs, manifold gasket, TPS, truck still stalls when driving and won't start. Check engine light doesn't come on anymore. Help?


Retest it and post all the codes received, also do a engine running fault code test (requires a full function scan tool). Check for engine vacuum leaks and check the EGR valve for leaking.

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Misfire and pop


IF ALL MISSES ARE ON SAME BANK CHECK TO SEE IF THE HARNESS ON THAT BANK FOR INJECTORS OR COILS HAS BEEN DAMAGED OR DISCONNECTED. THE 3.7 AND 4.7 ENGINES ALSO WERE PRONE TO THE VALVE SEATS DROPPING. RUN A COMPRESSION TEST

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04 dodge ram 1500 multi misfire detected


Could possibly be bad spark plug wires.
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Oct 25, 2017 | 2004 Dodge Ram 1500

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Engine light stays on, battery guage on the charge side, vehicle has stalled twice, check gauges light has come on once


The first thing you need to do is scann the codes for the check engine light, the computer is always watching all systems when it sees a problem it stores a code with the problem and turn on the check engine light, for example in could have a code that reads po301 cylinder 1 misfire, you would then know cylinder 1 is misfiring and then with somw testing see why its misfiring. there are many auto part stores that will scan the codes for free and give you a print out with the codes, if you get the codes i can help you better. the charging gauge you will need to have the alternator checked to make sure its not over charging, if it is then that would turn the light on, good luck.

Mar 19, 2011 | 2006 Dodge Ram 1500

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1998 DODGE RAM 1500 4x4 360 ENGINE CODE SHOWS MANY MISFIRES THOUGHT WAS BAD GAS HAVE DRAINED AND REPLACED, RUNNING EXTREMELY RICH ON RIGHT SIDE, O2 SENSORS SHOW TO BE WORKING WHAT ELSE CAN I CHECK ON THIS


I had a similar problem with my Dodge truck.I replaced the cap, rotor, plugs and wires and the check engine light went out. Within 4 days the light came back on with codes for multiple misfires..To make a long story short, I put electrical tape on the wires to adjacent cylinders and the problem was solved. Answer; The pluig wires they are making for Dodge are really cheap!

Sep 08, 2010 | 1998 Dodge Ram 1500 4WD

1 Answer

What does the p1391 code on a 99 dodge ram 1500 5.2l v8 meen


check engine light and code P1391 crank or cam position sensor

The above can cause rough idle on the Dodge Ram 1500 5.2L V8 Engine.

Can try to replace the sensor, but verify that the wires are ok first.

Aug 12, 2010 | Dodge Pickup Cars & Trucks

2 Answers

Ram Hemi misfire after rain


Try spraying water while it's running on the engine, plugs, wiring from a spray bottle to see if you can locate where it might be acting up from!

Jul 30, 2009 | Dodge Ram 1500 Cars & Trucks

2 Answers

03 Dodge Ram 1500, P0307 code, check engine light


Try this:

Dodge 1995-1999 V8 spark plug wiring.

http://dodgeram.info/tsb/1998/18-48-98/18-48-98-v8.htm

Jul 01, 2009 | 2004 Dodge Ram 2500

1 Answer

Engine light comes on - Code shows P0300 and then


OBD II 300 Random/Multiple Cylinder Misfire Detected

When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we have either multiple cylinders misfiring, or the computer simply can't determine the specific cylinder, and as such we are left with the P0300 in computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Apr 04, 2009 | 1996 Dodge Ram 1500 Club Cab

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