Question about 2000 Jeep Grand Cherokee
Hi Jenelle, The problem could be related to the anti theft unit or a defective crankshaft or camshaft pick up sensor. There are other reasons why the vehicle refuses to start and the best way to discover what the actual problem is, is to have a diagnostic scan carried out. Most good workshops have them and many are of the portable type. If you cannot get the vehicle to the technician, they can come to you. Regards John
Posted on Jan 06, 2013
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Posted on Jan 02, 2017
That code PO455 is indicating that you have a fuel vapor leak somewhere in the system. I'd check from purge canister back taking a close look at all the vapor hose to the tank. If all that check out, purge solenoid & canister would be my next area to check. That's probably what your smelling , so it might be easier than you think to sniff out the source.
Posted on May 18, 2009
easy trouble shoot easy fix ! check to see if its getting fire if not replace the crank sensor it will fire right up common problem with the jeeps . Hope this helps you out !!!
Posted on Jun 02, 2009
You need to check components again when the engine is hot and in no-start condition, otherwise, you will get bad info...obviously whichever part is doing this works fine cold. ones that react most to heat are crank pickup, ignition coil and the fuel pump.(bad ones get hot and bind up)
Posted on Jun 07, 2009
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