Is there any power to the spark plugs?
No power to spark plugs. Does have code P0327 for knock sensor voltage low, but has been there for a few months. – AC voltage in 7x crank sensor was between 170-270 mV at module plug. – Ignition module power harness receiving battery voltage and ground is good.
What to do when your engine has no spark?
Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.
Where was the spark plug moved in 1996?
In 1996+ the coil was moved inside the Distributor and is tad harder to test. 96+ So. use spare spark wires to test it. Use clip on the end. and new spark plug on the other, gapped to.028″
What does no spark no start condition mean?
Check that power is reaching the coil packs or ignition coil-on-plug coils. If power is not reaching any of the coil-on-plugs or ignition coil packs, you’ll get a bona-fide ‘no spark no start condition’.
What to do if your Jeep Grand Cherokee has no spark?
Replaced the coil and nothing….replaced thermostat, found out it was stuck almost completely shut, engine barely had water in it. Started up fine a couple times then back to just cranking. Switched relay for fuel pump and ignition and starts up runs great then after about 20 minutes shut it off and back to just cranking again.
Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.
Why is there no spark in my ignition?
An ignition module requires some type of external input in order to activate. If your vehicle stalls unexpectedly during operation and will not start again, it is likely because of loose or corroded electrical connections in the ignition module. In this case, check the switch, clean oxidized terminals, and replace broken wires if necessary.
What’s the code on my 1999 Jeep Grand Cherokee?
Mine is a 1999 grand Cherokee Laredo inline 6, 4×4 automatic. Started misfiring with one code coming up P0351, which is cylinder#1 secondary ignition fault code. I replaced the complete coil pack and same code came up , then several other codes would come up all in relation to cylinder misfires. DO NOT replace you ignition coil pack with Autozone.