Check Engine Light Egr Code Po 400

8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
109,150 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
1998 Mazda Millenia engine problems

engine problem

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1998 Mazda Millenia Owner Comments

problem #1

Feb 042008

Millenia Leather 2.5L V6

  • Automatic transmission
  • 109,120 miles

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

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