After overheating the engine will not rev over 2,000 RPMs

Tiny
DAYTONJUSTIS
  • MEMBER
  • 1994 JEEP CHEROKEE
  • 4.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 2,918,816 MILES
Got stuck and overheated now it will not rough past 2,000 RPMs. Change the O2 sensor, new injectors, new fuel pump, and new spark plugs.
Wednesday, April 6th, 2022 AT 5:13 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
Hi,

How badly was it overheated? Also, is the temperature gauge accurate?

Here is what I suggest. First, start by checking to see if there are diagnostic trouble codes stored. This has an OBD1 system and doesn't require a scanner to retrieve codes. Follow the directions in this link:

https://www.2carpros.com/articles/jeep-diagnostic-trouble-codes-for-car-built-on-or-before-1995-odb1

Do this and let me know the results.

Take care,

Joe
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Thursday, April 7th, 2022 AT 2:20 PM

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