What trouble codes are you getting?

Answered by KHLow2008 (expert)
39,900 answers provided

I went to the advanced auto to get scanned. the desk person told me all the codes were fuel rail. I can bring it back there tomorrow and get the code numbers.

Response from kohllink
30 questions asked

I would need the trouble code to understand what is wrong.

Answered by KHLow2008 (expert)
39,900 answers provided

I got them PO191 and PO308

Response from kohllink
30 questions asked

P0191 is the Fuel rail pressure sensor circuit performance.

Possible causes are :
1. High fuel pressure.
2. Low fuel pressure.
3. Faulty FRP sensor.
4. Excessive resistance in the circuit.
5. Vacuum leaks.
6. Low or no fuel.

There are quite a number of cases whereby the problem is resolved by replacing the fuel pump. Before doing that, test the fuel pressure, at idle, under full acceleration and highway driving. If the pressure is not consistent, quite lilely you have a faulty fuel pump. You mentioned replacing the fuel filter, I understand some models have a double filter, were both replaced?

Recheck the filter to see if it is dirty, hope it is not caused by too much dirt in the fuel tank.

P0308 is a misfiring with cylinder # 8. If it is only this particular cylinder that is misfiring, you would need to check the ignition coil, fuel injector and spark plug.

Answered by KHLow2008 (expert)
39,900 answers provided

changed the plugs and the code troubles po308 and po191 cleared. The check engine light was still on with a new code Fuel mixture to lean. Cleaned the throttle body good. the van ran rough for about 50 miles or so and the check engine light turned off and the van ran good again! Thanks for all your help! Mission accomplished!

Response from kohllink
30 questions asked

You're welcome.

Glad to know you have fixed the problem.

Have a nice day.

Answered by KHLow2008 (expert)
39,900 answers provided