hook up the meter and open the throttle. The voltage should smoothly increase with the throttle being opened.
The egr regulator is on the pass side inner fender. its the one with the red and green hose. remove the cap from the solenoid and there is a foam filter in there, provided it hasn't turned to dust. Clean it or clean the remains of it out of the solenoid and shoot some wd40 down the tube that sticks out into the filter. I'd still try it with the vac line unhooked though just in case the regulator is faulty. Mine was bad and going full open just off idle. I had a hesitation for years that I couldn't explain until I unhooked the egr valve. I did eventually replace the regulator but the wd40 trick made it work while i was waiting on the replacement.
The egr regulator is on the pass side inner fender. its the one with the red and green hose. remove the cap from the solenoid and there is a foam filter in there, provided it hasn't turned to dust. Clean it or clean the remains of it out of the solenoid and shoot some wd40 down the tube that sticks out into the filter. I'd still try it with the vac line unhooked though just in case the regulator is faulty. Mine was bad and going full open just off idle. I had a hesitation for years that I couldn't explain until I unhooked the egr valve. I did eventually replace the regulator but the wd40 trick made it work while i was waiting on the replacement.
Comment