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Engine Stumble

Tiny
FICH33
  • MEMBER
  • 2002 FORD TAURUS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 80,500 MILES
When accelerating the car stumbles, and really jerks back and forth. Did a transmission flush, fuel system cleaning and filter replacement, replaced two downstream O2 sensors, new plugs, new wires. Fuel pressure is ok according to the mechanic, what else could it be. Please help
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Monday, April 28th, 2008 AT 7:36 PM

4 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
This sound like the MAF sensor needs to be replaced here are two guides for you to go through.

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

and

https://www.2carpros.com/articles/engine-hesitates

Please run down these guides and report back

Cheers
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Monday, April 28th, 2008 AT 7:39 PM
Tiny
FICH33
  • MEMBER
  • 2 POSTS
No check engine lights on and computer scans fine, now that the two downstream o2 sensors were changed
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Monday, April 28th, 2008 AT 7:42 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Unfortunately a road test is the next step.
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Monday, April 28th, 2008 AT 7:59 PM
Tiny
FLEXY5
  • MECHANIC
  • 512 POSTS
I finally replace the MAF and that works my neighbor told me it wouldn't last time I listen to him lol. Fixed it for $55.00
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Monday, April 28th, 2008 AT 8:07 PM

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