1993 Jeep Grand Cherokee "revs" Questions

Engine starts and idles fine, but will not rev up (2001 Jeep Grand Cherokee 3.1 diesel auto) Has run fine for some time, well serviced etc. When problem came on car was being driven fine when suddenly

...conversion (done feb 2010 ) engine has started to run lumpy and is down on power, when ticking over revs go up and down from between 5000 revs up to 13000 revs every few seconds this seems to be ...

ENGINE DIES When starting you have to rev eng. to 3000 rpm's or it just dies. It will idle if u do the rev eng bit ! Check for a vaccum leak at the intake with starting fluid. Frankster016

heater blows cold on low revs a bit warmer on higher revs check your coolant (antifreeze)level! ,not just in the holding tank,but the radiator also!!

2000 jeep cherokee keeps racing revinnin up... everytime u turn key over it revs up like its racing... ne solitions? look at all of your vacuum lines usually a motor revs when its sucking air causing ...

high rev after cold start 2000 grand cherokee revs over 1100 rpm for 15-20 seconds then lowers down to normal idle......im thinking a maf or O2 sensor I would agree.

1994 jeep with 46re 4x4 totally rebuit and has 1994 jeep with 46re 4x4 totally rebuit and has only 1st and rev. Took it apart cause everyone said the gov. i cleaned and lubed with trans fuild and i ...

starts but wont rev up fuelpump went out,put a new one on and it will start but, wont rev up.seems to not be able 5to keep pressure when shut off. sometimes like today. it wont even start. no pressure

as soon as i start it it revs out all the way?????? cant leave it running the idle would probably bounce off he rev limiter it is really bad. 98 jeep grand cherokee 4.0L v6 please help. Take a can of ...

2004 jeep grand cherokee idling problem. Revs motor 200 to 500 rpms higher while driving. My jeep grand cherokee tends to idle high in park. It should be at 500rpm but it is at 1000rpm. Also, while ...