My Check Engine light came on while I was driving on a long trip. I read up on this and it seem to indicate that the most likely reason is something wrong with the pollution stuff. And that the best way to sort this out was get the scan codes and investigate.
I have jumpered the wires on the connector block and got the Scan codes out of my car. The best I can figure out they are as follows.
0 327 (O,C,R) EGR Valve Pressure Transducer/Position Sensor circuit below minimum voltage C 326 (C,R) EGR circuit voltage lower than expected C 337 (O,C,R) EGR Valve Pressure Transducer/Position Sensor circuit above maximum voltage R 536 (O,C,R) Brake On/Off Switch Circuit failure R 521 (R) Wheel not turned during test or PSP problem - PSP R 327 (O,C,R) EGR Valve Pressure Transducer/Position Sensor circuit below minimum voltageAgain in my reading it seemed that the most common thing that goes is the EGR Valve and with all of the mention of the EGR in the error message I decided to replace it. I have done that but the light still comes on. Should the light automatically go off if the problem is fixed or can anyone see from the scan codes above if I was wrong. I note that it appears that the pertinent errors all seem to be related to voltage. So perhaps I was too quick to replace EGR since there are no electrical components in the EGR. There is however a small pipe running from the EGR to a device that has some sort of electrical 3 wired device on it that must measure pressure of some sort.
Can anyone give me some advice on how to proceed with this.
Regards Steve
7Willie