oil pressure guage not working and PCM won't talk

a94cobra

Active Member
Established Member
Joined
Jun 2, 2002
Messages
1,497
Location
Texas
Two problems.

First my dash guage for the oil pressure on my 03 cobra isn't working. Just stays on the 'L'. Where is the sensor for that and what should it read?

This leads to my next problem. I thought I would hook up my DashDaq and see if I could read the data from the sensor. Try to verify it was working and find the problem. The DashDaq can't talk to the PCM. No codes, no signals, nothing. Verified the DashDaq works on a 01 Mustang and 04 Ford 150.

Was told the PCM should read 70ohms between pin 2 and 10 on the Data Link Connector. I've got 300 ohms. Completely checked that wiring all the way to the PCM. Directly at the PCM I've got 300ohms.

Any help here would be great.
 
Last edited:

a94cobra

Active Member
Established Member
Joined
Jun 2, 2002
Messages
1,497
Location
Texas
I got a gremlin. It's all back to working now.

I had a loose pin on the obdii port. That solves one problem.
 
Last edited:

Users who are viewing this thread



Top