surging cold engine

JEEP CHEROKEE
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SCOCO
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  • 1 POST
2001 Jeep Grand Cherokee, 73k miles, 8 cyl

Engine surges when starting cold. Most recent problem was a faulty oil pressure sensor, which was replaced .... surge still persists. Once engine warms up a little, the surge goes away!
This (car) engine has always been extremely dependable!
Nov 25, 2007 at 1:21 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Check the electronic coolant temp sensor, and air intake temp sensor.


https://images.2carpros.com/forum/automotive_pictures/62217_sensors_1.jpg

Nov 25, 2007 at 1:31 AM
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