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1996 Jeep Grand Cherokee Laredo

Tiny
HOBBS DOLLISHA
  • MEMBER
  • 1996 CHRYSLER 300
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 192,000 MILES
Would car even crank and substain and idle if crank shaft sensor is bad
Tuesday, December 7th, 2010 AT 5:42 AM

10 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If the CPS is defective the car will not start it tells the computer when to fire the coil/s
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Tuesday, December 7th, 2010 AT 6:04 AM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
Do you believe it to be the idle air flow sensor or the tps
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Tuesday, December 7th, 2010 AT 7:37 AM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
Rasmataz can you please answer
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Wednesday, December 8th, 2010 AT 2:14 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Quit guessing -inspect and test the CPS and then comeback with results before I can help you again
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Wednesday, December 8th, 2010 AT 4:59 AM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
Even though the jeep starts I still need to check the cps thats why I asked if it could be the tps
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Wednesday, December 8th, 2010 AT 5:18 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Now we getting somewhere, now check and test idle air control motor, EGR valve and TPS sensor-that's if it won't idle-Note: the crank and sustain puzzles me.

Get back with results on this so that we continue
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Wednesday, December 8th, 2010 AT 6:02 AM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
When I crank the jeep its not a smooth start also when the jeep starts to warm up it sounds very choppy and if I dont push the gas it will go dead also you can smell high volumes of gas in the air around the jeep. Ive checked the injectors and they are getting gas
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Wednesday, December 8th, 2010 AT 10:32 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be one of the following:

1. Fuel pressure not within specs. Can be cause by restricted fuel return line or defective fuel pressure regulator.
2. Defective Oxygen Sensors.
3. Leaking injectors.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system.
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Wednesday, December 8th, 2010 AT 10:37 PM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
Thanks I shall test these and get back to you and let you know
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Wednesday, December 8th, 2010 AT 11:07 PM
Tiny
HOBBS DOLLISHA
  • MEMBER
  • 9 POSTS
I have been given advice to take out the entire distrebetur and take out the number one spark plug and place a screwdriver in the number one piston and bump it until it comes to the top then place my destrebuter back in when its turnt towards the one. What advice can you give me to ensure that I dont mess somthing up because I am truly not a mechanic and can not afford the money to get it diagnossed thrue the jeep crysler place ive already called and checked into it I can only come up with the money to get it fixed. I really dont mean to be a pest but please Rasmataz can you continue to help ! Please
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Saturday, December 18th, 2010 AT 7:28 AM

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