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2006 Jeep Grand Cherokee Engine surge hesitating uphill

Tiny
GFRY1192
  • MEMBER
  • 2006 JEEP GRAND CHEROKEE
  • 3.7L
  • V6
  • 4WD
  • AUTOMATIC
  • 119,500 MILES
While driving uphill my vehicle surges at around 35 mph. It can feel pretty jerky. It sounds like the engine revs up and down as the vehicle surges. As soon as I give it more gas pressing down on the gas pedal harder it will no longer surge. I have replaced the spark plugs, pcv valve, tps, cleaned throttles body, replaced air filter at the same time. The vehicle also has a hard downshift into first grear approaching a stop.
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Tuesday, September 22nd, 2015 AT 8:27 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Clean throttle plate on both sides with choke cleaner then check for a vacuum leak hos eoff, broken etc. Then scan for codes and check fuel pressure with a gauge auto parts rent it.
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Wednesday, September 23rd, 2015 AT 7:07 AM
Tiny
GFRY1192
  • MEMBER
  • 2 POSTS
Thank you. I will definitely do that. I really appreciate your advice.
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Wednesday, September 23rd, 2015 AT 9:08 AM

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