fxral Posted September 8 Report Share Posted September 8 Scanner shows code PO 172.I have cleaned the MAF but CEL reappears after a few miles. My scanner will give real time values- Air mass and RPM values -4g/s at 648 rpm ,9.57 g/s at 1505 rpm and 14.77 at 2134 rpm Do these values indicate MAF is good or bad? Fuel rail pressure is 69 psi, is this good? Don't see any obvious vacuum leaks. Any help or suggestions as to what else to check will be appreciated. Thank you Quote Link to comment Share on other sites More sharing options...
Zappo Posted September 8 Report Share Posted September 8 I would check the bottom of the intercooler for any cracks and also check your intercooler hoses. You are more likely losing air after the MAF causing it to run rich. Quote Link to comment Share on other sites More sharing options...
fxral Posted September 9 Author Report Share Posted September 9 Will check that. Thank you Quote Link to comment Share on other sites More sharing options...
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