1999 Jeep Grand Cherokee "check 4 spark" Questions

...4 that is serious enough to store a code. If the check engine lamp flashes while you drive, it is worse, and is CATALYST DAMAGE level. This can be caused by loss of spark, loss of fuel, vacuum leak, ...

...4 cylinder check engine light flashing at 75mph AC running 1st, replace your spark plugs(for gasoline engine) or heater plugs (for diesel engines) if this does not work, have a mechanic check the ...

...4: above is ok , i check spark (some do this first. sure thats makes sense , always) 5: ok I got spark on all cylinder, NO , fix that or do step 3 again. 6: i try test fuel, I spray it in and BAM it ...

4 not firing The cylinders are numbered 1234 starting at the front of the motor. Number four is the last spark plug closest to the firewall. The passenger's side of your engine is your even cylinders.

...check if your getting spark you want to use a pair of pliers with rubber grips( if not you will get shocked ) then pull one of the spark plug wires off the plug (and if you have an old spark plug ...

4. High or low fuel pressure. Thats the list of things to check. This is a #3 cylinder misfire. There is also TSB about #3 injector needing added heat protection. This could definitely be the cause. I

4 ) Clean the compression chamber with a product 5 ) all vacuum were checked 6 ) air filter was changed 7 I change 3 times the coil pack I don't think that the coil pack could be deffective 3 times in

...4 cyl instead of 6. in gear at higher speed it runs fine Check your spark plug, wires, distributor cap and finger. If you spark plugs older than 15000ml, replace them. To check your spark plug wires, ...

...4. I have replaced the crank position sensor, alternator, and have tested with another coil. Can I remove the icu and take it to a dealer to get tested or do I have to tow it in? Is there something ...

...Check the following first:1) Spark plug condition2) Spark plug lead condition (replace if around 4-5 years old)3) Condition of coil(s)4) Condition of air filter.5) Condition of fuel filter.6) Gearbox ...