Check Engine light P1176 & P1178 - Land Rovers Only

wade · 01-13-2006, 07:33 PM

Well, I thought I had my Disco fixed, but the Check Engine light came back on and I checked the codes P1176 Max Positive Correction FMFR and P1178 Max Positive Correction AMFR. I have no idea what that means. Land Rover told me it was probably the gas cap, but if not then the MAF sensor or an oxygen sensor. I flipped the gasket on the gas cap, thinking that would help...apparently not. Any suggestions short of $600 for a MAF sensor or 4 O2 sensors at $150? Thanks. BTW..It isn't running bad and gas mileage is holding up....I'd just keep driving, but I know these things just get worse.

JamesVee · 01-13-2006, 09:02 PM

Hope this helps:

http://www.users.zetnet.co.uk/barnes...scan_codes.htm

01-13-2006, 07:33 PM	#1 (permalink)
wade Senior Member Join Date: May 2005 Posts: 131 Gallery: 0	Check Engine light P1176 & P1178 Well, I thought I had my Disco fixed, but the Check Engine light came back on and I checked the codes P1176 Max Positive Correction FMFR and P1178 Max Positive Correction AMFR. I have no idea what that means. Land Rover told me it was probably the gas cap, but if not then the MAF sensor or an oxygen sensor. I flipped the gasket on the gas cap, thinking that would help...apparently not. Any suggestions short of $600 for a MAF sensor or 4 O2 sensors at $150? Thanks. BTW..It isn't running bad and gas mileage is holding up....I'd just keep driving, but I know these things just get worse.

01-13-2006, 09:02 PM	#2 (permalink)
JamesVee Senior Member Join Date: Jun 2005 Posts: 112 Gallery: 0	Hope this helps: http://www.users.zetnet.co.uk/barnes...scan_codes.htm __________________ Check out my websites: Family Trophies and Africa Pictures

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