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Wont start

Tiny
AJONES623
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
My truck will not start. Check engine light came on the a couple days later it stolled out. Ive tried to start it for a couple days it would start then die. It now wont start. Diagnostic check says left right bank rich. Can left & right bank rich cause truck to not start? The battery is now dead from sitting but if I replace o2 sensors and jump start wll that fx the problem? Or is t something more serious?
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Wednesday, April 14th, 2010 AT 4:32 PM

4 Replies

Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Hello,

A bad O2 sensor will not cause a no start or stalling problem.

Go ahead and charge up your battery. Either by using another vehicle with jumper cable or battery charger for about 30 minutes.

Then Disconnect the MAF and try starting the vehicle.

If starts and runs fine then replace the MAF.

Post result.

.
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Monday, May 31st, 2021 AT 12:40 PM
Tiny
AJONES623
  • MEMBER
  • 4 POSTS
Thank you. A little more info when the car was runnng it seemed to not want to go past 3000 rpms while it was drivng then it stalled so I brought home and parked in garage and hasnt started since. Its been about 6 months I just didnt kno what to do. I bought computer and it said left right bank rich so I thought it was o2 sensors before I spent money to replace them I wanted to see if that would ause truck to not start. Im charging battery now where is MAF located. Can u please let me know so I can go remove t now and see if it starts. Thank you very much for your help. Its greatly apprecited.
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Monday, May 31st, 2021 AT 12:40 PM
Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
The MAF is located in the air tube by the air filter.

.
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Monday, May 31st, 2021 AT 12:40 PM
Tiny
AJONES623
  • MEMBER
  • 4 POSTS
A bad MAF caused the car to not start. I got a new one runs great.
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Monday, May 31st, 2021 AT 12:40 PM

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