- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
Yellow means weak spark should be blue check the coil tower where the coil wire attaches on the coil for corrosion. Also check the spark plugs for wear.
For the 1995 Jeep Grand Cherokee: I do not know if you have the 4.0L In-Line (Straight) 6-Cylinder or the 5.2L V8; however I have included bothe below.
CHECK ASD RELAY THAT IS AUTOMATIC SHUTDOWN RELAY IN THE POWER DISTRIBUTION CENTER UNDER THE HOOD IN ENGINE COMPARTMENT.IF ASD RELAY GOOD PROBLEM COULD BE CAMSHAFT SENSOR IN THE DISTRIBUTOR.TO SAVE TIME AND MONEY HAVE JEEP SCANNED FOR CAMSHAFT SENSOR AND CRANKSHAFT SENSOR FAULTS.
1-5-3-6-2-4 ALL Jeep 4.0 motors use this firing order. Any year, any model, high output or not.
Also, the spark plug wire placement on the cap, in a clockwise direction from the post nearest the engine block is: 6-2-4-1-5-3.(to the left side of the number 6 post, there should be a hold downscrew or strap for fastening the distributor cap to the distributor. For a picture diagram, please go to this website: - http://www.fixya.com/cars/t2859850-need_spark_plug_wiring_1993_jeep_4l - http://www.jeepz.com/forum/engine/16923-six-cylinder-4-0-liter-jeep-engine-specs.html
NEXT YOU WILL NEED TO FIND OUT IF ECM ..MAIN COMPUTER IS POWERING UP,,,,FIRST THING IS TO TURN KEY TO THE RUN POSITION....DOES THE CHECK ENGINE LIGHT COME ON IF NOT CHECK FUSES... IF SO NEXT STEP IS TO MAKE SURE THE SYSTEM IS NOT IN AUTO SHUTDOWN MODE.. YOU CAN CHECK THIS BY USING A TEST LIGHT AND CONFIRMING THERE IS VOLTAGE ON COIL DURING CRANKIN...LOOKS LIKE COULD BE BAD ECM MAIN COMPUTER.. GIVE ME THE ANSWERS TO THOSE QUESTIONS FIRST AND I WILL TELL YOU NEXT STEP
×