1988 Jeep Cherokee spark plugs

Tiny
CACKELBERRY
  • MEMBER
  • 1988 JEEP CHEROKEE
Engine Performance problem
1988 Jeep Cherokee 6 cyl Four Wheel Drive Automatic

i have no spark on number 1 and 6 cyl. Have changed every thing I can think of.
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Friday, August 27th, 2010 AT 8:31 AM

3 Replies

Tiny
WRENCHTECH
  • EXPERT
How about telling us what you changed and how this problem started.
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Friday, August 27th, 2010 AT 8:47 AM
Tiny
MADMIKE1735
  • EXPERT
Gotta start with the source of spark as I dont know what you already changed.

Start with the distributor-

If engine was disturbed while distributor was removed, proceed as follows:
Rotate engine until No. 1 cylinder is at TDC compression stroke.
Using a flat blade screwdriver, position oil pump gear so that slot is slightly past the 3 o'clock position.
Position distributor rotor at the 5 o'clock and install distributor on engine block.
When distributor is fully engaged with oil pump gear, rotor should be at the 6 o'clock position.
Align distributor housing to engine block marks made during removal, then install distributor hold down clamp and torque bolt to8 to 10 ft. Lbs.
Note: If crankshaft was rotated after distributor was removed, use the following procedure for installing the distributor.

Remove No. 1 spark plug.
Place finger over No. 1 spark plug hole and rotate the engine crankshaft slowly until compression is felt.
Align the timing index mark on the vibration dampner with 0 (TDC) on the graduated timing degree scale on the timing gear cover.
Turn the distributor rotor to point between No. 1 and No. 2 spark plug terminals on the distributor cap.
Install the distributor cap and spark plug wires.
Install distributor and connect distributor leads.
Start engine and check timing - set to specifications.
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Saturday, August 28th, 2010 AT 11:39 PM
Tiny
WRENCHTECH
  • EXPERT
I wouldn't go messing with the distributor right now. There is no reason to disturb that at this point. We need to know just what you have done already and what you are finding.
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Sunday, August 29th, 2010 AT 6:33 AM

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