2001 Jeep Grand Cherokee engine will turn over but not start.

Reply

  #1  
Old 12-01-13, 04:48 PM
Member
Thread Starter
Join Date: Jun 2010
Location: usa
Posts: 1
2001 Jeep Grand Cherokee engine will turn over but not start.

I have a 2001 grand cherokee that will turn over but not start. there is power at the distributer coil. putting a test light at number 1 fuel injector while cranking the engine produces the following: Number 1 injector will fire once but no more. Can anyone advise? Single mother needs it for work. HELP
 
Sponsored Links
  #2  
Old 12-01-13, 05:03 PM
ukrbyk's Avatar
Member
Join Date: Mar 2010
Location: USA/ Pacific NW
Posts: 3,343
As far as I know, you have to turn entire powertrain TWICE for injector to fire. As piston is at its TDC twice, once on compression and once on exhaust.
But I am not sure why you trying to start with injectors, as car will start even on 2 pistons.
You should start with things more common - lack of spark and lack of fuel. That followed by timing being off. Then worry about injectors.

Diagnostic flowchart for a car that won't start or stalls - Troubleshooting for the starter, spark failure and the fuel pump
 
  #3  
Old 12-01-13, 05:15 PM
ukrbyk's Avatar
Member
Join Date: Mar 2010
Location: USA/ Pacific NW
Posts: 3,343
Truly, for a car with distributor, and age, basic things like bad dizzy cap and rotor come first. Followed by ignition pack, or whatever the name is, below dizzy rotor. It's a kidney shaped piece that reads rotor position or something like that, been a while since I dealt with dizzys. Distributor sensor, I believe.
 
  #4  
Old 12-01-13, 05:26 PM
GregH's Avatar
Super Moderator
Join Date: Jan 2001
Location: Manitoba
Posts: 9,766
Could be the distributor sensor coil or crank sensor.
Since the crank sensor is nearly impossible to replace because of its location luck would make that your problem.
Had to cut a hole in my firewall and replace from inside the vehicle on my inline 6.......either that or lift the engine!

One thing you could do is try to hear the fuel pump when you first turn on the key.
It will run for a couple of seconds each time youtry to start it.
 
  #5  
Old 12-01-13, 07:44 PM
chandler's Avatar
Banned. Rule And/Or Policy Violation
Join Date: Dec 2005
Location: USA
Posts: 39,968
Anyone thought of running the codes, yet? PITA to run after things it "may be". Know for sure then attack.
 
  #6  
Old 12-04-13, 11:03 PM
wrench191's Avatar
Member
Join Date: Dec 2013
Location: usa
Posts: 14
You need to replace your crank sensor
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes