have a p400 check engine light on, i have swapped egr valves, replaced both egr vsv s, removed the intake and cleaned the the exhaust ports , run top engine cleaner through the vacuum port for the egr and still have a code. i have to drive the car aprox. 80 miles before the light will come back on.
A D V E R T I S E M E N T S
have a p400 check engine light on, i have swapped egr valves, replaced both egr vsv s, removed the intake and cleaned the the exhaust ports , run top engine cleaner through the vacuum port for the egr and still have a code. i have to drive the car aprox. 80 miles before the light will come back on.
- heitz, Charlotte, NC, US