Question about 1999 Jeep Grand Cherokee

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Last night someone tried to steal my 99 Jeep Cherokee Sport. They tried to start it by jamming something into the key cylinder. They ended up breaking the looking mechanism and now my key won't work, it won't turn. Most repair manuals say the key must be in the "ON" Positin to change, since mine won't turn will this be a problem. Help please!

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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brainyass
  • 242 Answers

SOURCE: Wont Crank

It's probably one of these:

1.NSS- (Neutral Safety Switch)
2.CPS- (Crankshaft Position Sensor)

**Look here-
CPS 1/2 way down..
http://www.lunghd.com/Tech_Articles/Engine/Basic_Sensors_Diagnostics.htm

**And here-
NSS.. .
http://www.cherokee-jeep.com/1-2swremov.htm

Posted on Oct 27, 2008

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justuscc
  • 360 Answers

SOURCE: Wont Crnk

did ya get it goin???? havent heard from you???????

Posted on Oct 28, 2008

  • 298 Answers

SOURCE: jeep turns over but will not start

I am going to assume that you didn't accidentally put DIESEL in?? If you did, siphon all you can out and add fresh GAS(!) and 3-4 bottles Octane booster.

Squirt a bit of Starting Ether in the Air CLeaner inlet
Start Jeep
Squirt Ether
Start Jeep
Start Jeep
Squirt Ether
Start Jeep
Repeat until it runs. Do not use alot of Ether - will blow engine!!!
Fixed!

If you didn't put Diesel in, and KNOWING that the problems are usually FIRE-related, replace all FIRE-related parts ($40.00)

Get new ROTOR (Thingy that spins inside CAP, distributes HVolts)
Get new CAP
Get new cables (change cables to new CAP 1 at a time!!!) DO NOT RUN cables neatly. Cross them over each other in looms
Get New sparkplugs (Do not overtighten. Turn to seat snugly, then 1/4 turn more

Posted on Jan 18, 2009

  • 599 Answers

SOURCE: immobilizer system in 99 jeep cherokee sport

most shops that have a professional scanner should be able to reset the pass-key part of the ecm,if you need more help get back to me and we'll go from there. Please rate my fix as i strive to be the very best

Posted on May 11, 2009

redbeard00
  • 957 Answers

SOURCE: 99 jeep cherokee sport 4.0l 6cyl voltage will go to 19v

The problem sounds intermittent, if you put volt meter on the battery while it is at that 19volt mark/reading(on the gauge cluster) you will be able to see if it is true. If your alternator is really charging over 16volts the lights should be getting brighter then usual and/or they are burning out. Find out ASAP, if the alternator has a defective voltage regulator, it needs to be replaced. Prolong use will damage components.

Posted on Jun 18, 2009

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Immobilizer system in 99 jeep cherokee sport


most shops that have a professional scanner should be able to reset the pass-key part of the ecm,if you need more help get back to me and we'll go from there. Please rate my fix as i strive to be the very best

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