2003 Jeep Grand Cherokee Problems & SolutionsRSS Feed
2003 Grand Jeep Cherokee will not start. 2003 Grand Jeep Cherokee started fine, shut it off, then did not have enough power to start, then we hooked up battery cables and tried, failed. Tried another 4 times, each time the engine turned over less and less, finally did not even click, totally dead. The battery tests good CCA and no bad cells.
- A small leak in any of the EVAP hoses or fuel tank hoses
- A small leak in the purge valve or vent valve
- The EVAP Canister may be leaking
High idle 2003 grand Cherokee 4.7 ho Rebuilt engine aprox 3000 miles idles at 1200 rpm 2003 overland 4.7 HO Hoses and manifold seem fine
2003 Jeep Grand Cherokee The fault code 302 reads from the ODB. the mechanic thinks this could be blown head gasket or cracked cylinder head costs $$$ to repair. However at same time A/C ceased to work and cruise control stopped working a few weeks earlier. Ciould this be a vacuum leak problem?
Trouble Code: P0302
Does't sound like a cracked head to me I would take a look at all the vaccum lines.Also check the intake manifold and the egr system.
Cylinder 1-10 Misfire Detected
Air leak in the intake manifold, or in the EGR or EVAP system Base engine mechanical fault that affects only one cylinder Fuel delivery component fault that affects only one cylinder (e.g., a dirty fuel injector) Ignition system problem (coil or plug) in only one cylinder
right signal flashes quickly I thought it was a sign that the relay was going bad, so I replaced it (aftermarket relay), however its still doing the same thing. Any suggestions? The left turn signal flashes properaly and the emergency flasher works fine.
2003 jeep grand cherokee heater problem There is no heat coming out of the vents the blower motor works fine and the temp gauge seems ok. When I turn the middle cold/hot knob nothing happens but cold air. The air conditioner works fine. Can anybody help.
The Crankshaft Position Sensor (CKP) is mounted to the transmission bellhousing at the left/rear side of the engine block...
Inatallation: 4.0L Engine
New replacement sensors will be equipped with a paper spacer glued to bottom of sensor. If installing (returning) a used sensor to vehicle, a new paper spacer must be installed to bottom of sensor. This spacer will be ground off the first time engine is started. If spacer is not used, sensor will be broken the first time engine is started.
New Sensors: Be sure paper spacer is installed to bottom of sensor. If not, obtain spacer PN05252229.
Used Sensors: Clean bottom of sensor and install spacer PN05252229.
Install sensor into transmission bellhousing hole.
Position sensor wire shield to sensor.
Push sensor against flywheel/drive plate. With sensor pushed
against flywheel/drive plate, tighten mounting bolt to 7 Nm (60 inch
Route sensor wiring harness into wire shield.
- Connect sensor pigtail harness electrical connector to main wiring harness.
Had to change drivers side door, in the process of cutting the old door wire harness to see how the plug unhooks I didn't unhook the ground and cut two wires at the same time... I know STUPID mistake. now nothing in the door panel works and my back two windows are down (second stupid mistake) The 50 amp under the hood is ok. is there any way to power the back windows so I can at least put them up?
the power window on jeep 2003 Laredo won't go up...i can hear it trying to go up...how can i fix it?
I am not sure where the ecm computer is in my 2003 jeep grand cherokee. I think I have located it in the front but I would like comfirmation.
I hope this helps you out.
- check engine...
- fuse box
- power steering
- fuse diagram
- spark plugs
- evap canister
- brake light...
- fuel filter
- power windows
- rear wiper
- idle throttle...
- blower motor...
- abs light
- hard start
- leak detection...
- turn signal...
- location fuel...
- remove radiator
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2003 Jeep Grand Cherokee Unsolved ProblemsRSS Feed
2003 Jeep Grand Cherokee Manuals & Guides
2003 Jeep Grand Cherokee Tech Specs
|Full Product Name||2003 Jeep Grand Cherokee|
|Engine Size||4.0L - 6 Cylinders|
|Engine Size||4.7L - 8 Cylinders|
|Seating Capacity||5 Seats|
|Original List Price||26,045 - $37,350|