Range Rover (LP) V8-4.0L (1999)
9.
Check for P-Codes.
10.
Perform Drive Cycle "C" to validate
11.
If no P-codes are set during Drive Cycle "C," the fault was in the filter installation. No additional action is required.
NOTE:
ONLY if plausibility P-codes are set during the drive cycle with a properly fitted filter and a sealed airbox is MAF sensor contamination
indicated as the root cause of the codes.
12.
If P-codes are set, refer to the Workshop Manual Section 19.22.25 and replace the MAF sensor unit.
13.
Install the filter and housing correctly to prevent uncontrolled air ingress.
14.
Clear codes and verify repair by followings steps 8-10 above.