Question about 2000 Jeep Grand Cherokee
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Why not post the code and not make us guess.???
no, it didnt fail again, someone guessed wrong.
take car to any ASE shop or transmission shop and win.
they will do diagnosis and find the real cause.
no code, no joy.
2000 wj
RTM yet,
here
http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service
see those pages on DTC errors. p07xx errors. and friends
and the statements on how to test further.....
Posted on Dec 26, 2015
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Posted on Jan 02, 2017
SOURCE: 2001 Jeep Grand Cherokee code P1391
I would check to be sure that the timing chain hasn't jumped at all ..
Posted on Mar 25, 2009
SOURCE: 94' cherokee transmission problem, no 1st gear?
A technicians worse nightmare....Replace a part and a bigger part fails....its a coincedence ive personally have had it happen. a customer will disagree....its possible trans just failed
Posted on Aug 25, 2009
SOURCE: 2006 Jeep Grand Cherokee 5.7L engine, Hemi, sensor code P1129
The OBD is not that simple.
All it is saying is that it does not like the air/fuel mixture.
That can be from fouled spark plugs, an open gas cap or other intake leak, a bad O2 sensor, PVC foam on the air mass sensor, throttle position sensor, etc.
It is just like any carb engine when the mixture is bad.
You can't just read a number and know what to replace.
You have to have a feel for the symptoms.
And if there are no other symptoms, it could be the code is simply the only thing wrong.
Personally my best guess would the air mass sensor.
Look the inside of the oil cap. If there is foam there, then there is likely foam in the air mass sensor as well. PVC systems always throw foam into the sensor, and the only solution is to splice longer hoses into the system and into a condenser of some sort. This is worse in northern climates, in the winter. Most cars in cold conditions have this happening all the time. But as long as the light goes off eventually, don't worry about it.
Posted on Jul 28, 2010
SOURCE: 1993 Grand Jeep Cherokee.
CODE 51 AIR FUEL AT LIMIT OXYGEN SENSOR SIGNAL INPUT INDICATES LEAN AIR FUEL RATIO CONDITION DURING ENGINE OPERATION. CODE 62 EMR MILEAGE NOT STORED UNSUCCESSFUL ATTEMPT TO UPDATE EMR MILEAGE IN THE CONTROLLER EEPROM. POSSIBLE CAUSE FOR A LEAN AIR FUEL RATIO AIR LEAKS IN INTAKE MANIFOLD, LEAKS IN EXHAUST PIPES, LEAKS IN EXHAUST MANIFOLD,LOW FUEL PRESSURE FUEL FILTER CLOGGED OR PRESSURE REGULATOR FAULTY,ONE OR MORE FUEL INJECTORS RESTRICTED,VACUUM HOSE IS DISCONNECTED BROKEN LEAKING OR LOOSE.
Posted on Aug 27, 2010
SOURCE: check engine light is on.
May need to disconnect Positive battery cable for a few minutes to reset codes.
Posted on Sep 02, 2011
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