2000 Ford F-350 Engine Problem with 245000 miles.

Tiny
MYANKOVI
  • MEMBER
  • 2000 FORD F-350
  • 245,000 MILES
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.
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Sunday, January 20th, 2013 AT 7:29 PM

5 Replies

Tiny
ASEMASTER6371
  • EXPERT
Does it feel like the trans is downshifting? Or is it just the motor?

Roy
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Sunday, January 20th, 2013 AT 7:39 PM
Tiny
MYANKOVI
  • MEMBER
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.
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Sunday, January 20th, 2013 AT 8:51 PM
Tiny
ASEMASTER6371
  • EXPERT
The tach may be intermittently having an issue. Clean all connections otherwise, it may need a tach

Roy
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Sunday, January 20th, 2013 AT 8:53 PM
Tiny
MYANKOVI
  • MEMBER
Were does the tach pickup its input from.
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Sunday, January 20th, 2013 AT 8:55 PM
Tiny
ASEMASTER6371
  • EXPERT
The pcm which gets it from the crank sensor

Roy
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Sunday, January 20th, 2013 AT 8:58 PM

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