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Is the computer bad

Tiny
CUTTY87
  • MEMBER
  • FORD F-150
Ford f150 1996 142000: This truck has the 300 six and was running badly I had the codes read and it said O2 sensors were bad and mass air flow pending well after I changed the O2 sensors the light still came on and I had the codes read again the parts store said all O2 sensors heater malfunction but the mass air code was gone. Well I checked the codes myself with a actron OBD2 and the follwing codes were displayed p0112, p1505, p0135, p0141, p0155, p1443, p0414, p0153, p0301, these codes should make the truck run terrible I would think but the truck doesnt run bad but does still get bad gas mileage. Fuel pumps have been replaced also.
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Wednesday, December 13th, 2006 AT 9:16 PM

3 Replies

Tiny
CARUNDELL
  • MECHANIC
  • 602 POSTS
Hey cutty,
Wow, thats a ton of codes! Though these appear to be history codes. Have you cleared them all out since the last scan? You may have to do a battery disconnect to clear them all out, then drive the truck for a while and see what codes return. Then we'll be able to give you a better direction to go in. Let us know

Chris
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Thursday, December 14th, 2006 AT 4:51 AM
Tiny
CUTTY87
  • MEMBER
  • 4 POSTS
Those codes had all been stored in about 3 days because before I scanned it the codes had been cleared by the guy at the parts store
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Thursday, December 14th, 2006 AT 8:34 PM
Tiny
CUTTY87
  • MEMBER
  • 4 POSTS
The codes that always reappear are the 3 for the O2 heater circuit malfunction I think it puts the others in at random to spite me!
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Thursday, December 14th, 2006 AT 8:36 PM

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