Cadillac Repair: 94 seville vin y, throttle position sensor, idle speed control


Question
getting po25 and intermttent po36

Answer
P025 24x reference signal low.

Cause:

PCM
Ignition control module.
faulty wire.

P026 = shorted throttle position sensor in the IDLE SPEED CONTROL MOTOR.

cause:

ISC motor or idle speed set to high.

Fix the P025 FIRST.

I can provide pictures and directives but you will have to contact me at: onlineautohelp@msn.com