EGR Flow Rate Is Too Low

Test 1 - 2:

Test 3 - 7:

Test 8 - 10:

SYMPTOM
P2355 - EGR FLOW RATE IS TOO LOW

TEST NOTE
This symptom is diagnosed using the test P2355 - EGR FLOW RATE IS TOO HIGH.

POSSIBLE CAUSES
- Air filter
- Air restriction
- Checking for air leaks
- EGR actuation - 1200 RPM
- EGR Valve
- MAF sensor
- MAF sensor Reading - 3000 RPM
- Intermittent condition
- EGR restriction