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2001 4.2 f150 cutting out


DFracing

Member
Joined
Mar 14, 2009
Messages
364
Reaction score
3
Points
18
Vehicle Year
2002
Make / Model
ford
Engine Size
4.0
Transmission
Automatic
it was originally shuddering upon accel, but once it got above 2k rpms it would go no problem, i put a new coil in it, and cleaned the maf, and air temp sensors. it fixed the issue for about 2 days, now the truck will idle but will not move under load, give it gas even in neutral and it cuts out and dies. Took replacement coil off and put a warrantied item on, same issue. did i ruin the MAF when i cleaned it, or did the new coil blow my plugs and wires. or?
 


alwaysFlOoReD

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Joined
Apr 13, 2009
Messages
13,868
Reaction score
5,026
Points
113
Location
Calgary, Canada
Vehicle Year
'91, '80, '06
Make / Model
Ford, GMC,Dodge
Engine Size
4.0,4.0,5.7
Transmission
Manual
2WD / 4WD
4WD
I've had a similar problem with my 2.9. I have a bad injector but don't know if thats the only problem. I put in some fuel injector cleaner for the last two fills and the problem has been going away. Fingers crossed that is my cure.

Richard
 

DFracing

Member
Joined
Mar 14, 2009
Messages
364
Reaction score
3
Points
18
Vehicle Year
2002
Make / Model
ford
Engine Size
4.0
Transmission
Automatic
the problem is it is not even driveable dies when the throttle is applied even just a little bit. but it idles no problem
 

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