Poor Acceleration between 3k and 4K RPM


LMBACON55

New member
Joined
Jun 24, 2019
Messages
10
Reaction score
4
Points
1
Location
Archer, Florida
Vehicle Year
2002
Make / Model
Ford Ranger 3.0
Transmission
Automatic
02 Ranger 3.0 I cleaned the maf sensor, little change. So I replaced it with a new one, started giving me p0171,0174 codes. Put the old on back in no codes. Other videos pointed me toward the coil pack and syncronizer shaft sensor. Found coil was weak on half the coils and found a burnt spot on the syncronizer sensor. So I replaced the coil pack and syncronizer shaft & sensor. I got my power back, no shuddering or jerking, no codes good readings on MAF sensor. Did a lot of video watching. Hope this helps other, and thank for other tips on the forum.
 


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88workcar

Member
Joined
Apr 29, 2019
Messages
119
Reaction score
22
Points
18
Location
Pierre Part La.
Vehicle Year
2001
Make / Model
Ranger XL
Transmission
Manual
how do you test a coil and see that it is weak?
 


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