Sputtering/jerking jeep on hiway
10

Asked by GuruBG37K Jan 30, 2019 at 02:41 AM about the 1998 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

1998 jeep grand cherokee Laredo.  Driving on
highway and started to sputter/ jerk.  Then the
tranny needle started to bounce a lot and
sporadically, check engine light came on next, and
then jeep dash lights and heater fan went dim and
low and a few seconds later went back to normal
and did it again.  Any ideas what it could be.  
Please help.  Thanks in advance.

2 Answers
43,020

Hornet_2497 answered 5 years ago

You said tranny needle. If the tachometer needle bounces around...drops suddenly then back up, that will be failure of the crankshaft position sensor. A scanner will show code P0320. A good quality one is $40 and it's a little difficult to reach on the bell housing, on the driver's side. Be sure to scan for that code before replacing anything.

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