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Sputters when RPM Reaches 3000

Tiny
CUCKOOSNEST77
  • MEMBER
  • 2005 CHRYSLER
  • 3.5L
  • AWD
  • 100,000 MILES
Pacifica Touring has trouble shifting when it reaches around 3000 rpm. It acts like it will stall out, sputtering and lurching. I let up on the gas and slowly apply pressure which allows the car to shift and continue driving. I have changed the absolute air pressure sensor, crank sensor, cam sensor and the EGR valve but nothing has changed. What else could it be?
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Tuesday, May 2nd, 2017 AT 3:52 PM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
Hello,

It sounds like it could be one of two things, first I would check the fuel pressure to see if it okay, then I would clean the MAF sensor to see if that helps, here are a couple guide to help you get started.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

and

https://www.2carpros.com/articles/mass-air-flow-service

Please let us know what you find ;)

Cheers, Ken
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Friday, May 5th, 2017 AT 4:40 PM
Tiny
CUCKOOSNEST77
  • MEMBER
  • 2 POSTS
Hi Ken,
Unfortunately, it's not the mas or throttle position sensor but I haven't checked the fuel pressure. That's next. I should've mentioned that when it sputters and such, I also lose my cruise control. I hope it's just the pressure. I'll let you know. Thanks!
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Saturday, May 6th, 2017 AT 8:33 AM

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