2000 Ford F-350 Repair Question
Asked on January 20, 2013
Ford F-350 Engine Problem
2000 Ford F-350 Engine Problem with 245000 miles
Driving at low speed or hwy speed tach jumps up or down approx + - 200 rpm engine runs fine does this intermittently
Engine 7.3 diesel. Just changed Altenator with a new one.Tryed Cam position senser no change.
Driving at low speed or hwy speed tach jumps up or down approx + - 200 rpm engine runs fine does this intermittently
Engine 7.3 diesel. Just changed Altenator with a new one.Tryed Cam position senser no change.
Asked by myankoviAnswer
Replied on January 20, 2013
does it feel like the trans is downshifting??? or is it just the motor??
Roy
Replied on January 20, 2013
Stick shift. Engine RPM does not feel like its changing RPM truck speed (MPH) does not change there is no surging. looks like indication only.
Replied on January 20, 2013
the tach may be intermittently having an issue. clean all connections otherwise, it may need a tach
Roy
Replied on January 20, 2013
Were does the tach pickup its input from.
Replied on January 20, 2013
the pcm which gets it from the crank sensor
Roy