cam sensor ?
Thread Starter
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Senior User
Joined: Aug 2010
Posts: 284
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From: Royse City, Texas
cam sensor ?
I am about to do my cam sensor, is there any tips or know how, that i can use for this job? like tricks or anything will help please and thank you.
Easier to gp through fender or under truck or what??
again thank you
Easier to gp through fender or under truck or what??
again thank you
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
we dont have cam sensor problems very often. I think I have done 2 maybe 3 sence 2003.
but to replace it is stright foward its sits behind the p/s pump and easy to access from the bottom.
but to replace it is stright foward its sits behind the p/s pump and easy to access from the bottom.
Thread Starter
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Senior User
Joined: Aug 2010
Posts: 284
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From: Royse City, Texas
Thank you i will do it as soon as it gets here lol
And i know it is bad because i hooked it up to a comp and that was one of the codes and when i reved it up the rps fluctuated like a misfire cause by the cam sensor being bad, also this is the first sensor been changed in this truck sense 03 so yeah i think it is time anyways
And i know it is bad because i hooked it up to a comp and that was one of the codes and when i reved it up the rps fluctuated like a misfire cause by the cam sensor being bad, also this is the first sensor been changed in this truck sense 03 so yeah i think it is time anyways
Hotshot
Joined: Apr 2010
Posts: 19,071
Likes: 240
From: Saratoga Springs,UT
oh sounds like it been a good truck 1st sensor since new thats AWESOME
Did it ever stall????
So does the RPM Gauge Jump Around alot??
Post if it helps Im Curious as always
Good Luck with it
Did it ever stall????
So does the RPM Gauge Jump Around alot??
Post if it helps Im Curious as always
Good Luck with it
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Senior User
Joined: Aug 2010
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From: Royse City, Texas
Nah never stalls just sluggish with a misfire when i try to get going. and also no the Factory dash gauge does not fluctuate but you can see on the computer the RPM's jump around when it should stay up, also when you rev up and let of the throttle the truck should go straight back to idle fairly quick but mine takes forever
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Hotshot
Joined: Apr 2010
Posts: 19,071
Likes: 240
From: Saratoga Springs,UT
ya your probably right bad Cam sensor
if you get Board and have a dvm you can try this
If you want to verify those circuits, you can connect a DVOM to both the CKP and CMP circuits of the middle PCM connector. Set your DVOM to Hz. On the CKP circuit, you should be seeing 150 to 200 Hz when the engine is cranked over (directly proportional to 150 to 200 RPMs). On the CMP circuit you should get a reading of 1.1 to 1.9 Hz when the engine is cranked over.
PCM PLUGS PINOUT
https://www.ford-trucks.com/forums/a...7&d=1338749081
if you get Board and have a dvm you can try this
If you want to verify those circuits, you can connect a DVOM to both the CKP and CMP circuits of the middle PCM connector. Set your DVOM to Hz. On the CKP circuit, you should be seeing 150 to 200 Hz when the engine is cranked over (directly proportional to 150 to 200 RPMs). On the CMP circuit you should get a reading of 1.1 to 1.9 Hz when the engine is cranked over.
PCM PLUGS PINOUT
https://www.ford-trucks.com/forums/a...7&d=1338749081
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 256
From: Woodbridge, Ontario, CA
Are you changing the entire main engine wiring harness? If so, that usually sounds like the fix.
Senior User
Joined: Jan 2006
Posts: 304
Likes: 0
Sorry not meaning to hijack the thread but my 04 6.0 will not run. 
Saw this thread while searching. What numbers should the CMP be when cranking. I have a SG2 and it reads 9999 for CMP. Been running terrible and today it will not start.
Thanks, I will start a new thread once I have more information.
Saw this thread while searching. What numbers should the CMP be when cranking. I have a SG2 and it reads 9999 for CMP. Been running terrible and today it will not start. Thanks, I will start a new thread once I have more information.