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Jim
Grant has been working in the automotive industry for over twenty
years. In addition, Jim is an ASE Master Technician with advanced
L/1 certification. He works as manager and technician in his
family's automotive business in New Hampshire. He writes weekly
automotive consumer columns and is editor of an automotive newsletter
that is circulated throughout North America. |
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Jim Grant's Tech Tips
‘97 Ford F150, Chewed-up Cam Sensor
Q:
I own a ‘97 Ford F150 with a 4.2 v-6 and the check engine light came on. The code for the light was for the cam sensor. I got a new sensor and I got the old one off and the shaft that it goes on is all chewed up. I was wondering if there is any special way that the new shaft needs to go in the motor? If you could help I would greatly appreciate it.
- David Westervelt
A:
What you’re describing is not an uncommon occurrence. The camshaft sensor will break and damage the drive assembly. The drive assembly will have to be replaced and it “must” be timed correctly or the engine will have some big running problems! If incorrectly installed, the engine will run better without the sensor connected than with it plugged in. They do make a special tool for installing and timing the drive, but it can be done without the tool. I wouldn’t even begin to try to describe how to perform this repair, it would be just too difficult. You need a shop manual or a subscription to ALLDATA’S Do It Yourself (DIY). Once you have the information and appropriate illustrations, the job will be much easier.
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