Range Rover P1177 and P1179 Fault Codes.

Hi guys,

just put my fault reader on the car and i got P1177 and P1179. Anyone know what these are and how to fix?

Cheers

Chris

chrispiec said:

Hi guys,

just put my fault reader on the car and i got P1177 and P1179. Anyone know what these are and how to fix?

Cheers

Chris

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Surely the handbook that came with your fault reader gives you the code meanings?

eh no it just says a non standard code.

i cant remember the address but theres a website that lists all the codes and what the mean! i think i found it on here a while ago as someone had the same sort of problem,sorry i cant help anymore.

chrispiec said:

Hi guys,

just put my fault reader on the car and i got P1177 and P1179. Anyone know what these are and how to fix?

Cheers

Chris

Click to expand...

Hi Chris just checked my list and 1177 is Maximum Negative FMFR Correction Fault & 1179 is Maximum Negative AMFR Correction Fault, not quite sure what they meen but that is what it says in the Land Rover Specific Code list. Hope that helps.

Cheers Les

hi chris is it petrol

its a 4.6 petrol with lpg. i found the codes but got no idea what they mean.

I'm the wrong sde of a bottle,but I'd be sure that the codes are a result of yer LPG being totally out of tune to what yer petrol ecu is truing to do.

Hi,

These code represent the Air and Fuel Mass Flow Rates implying that the vehicle is running to rich or to lean, possibly at idle.

Hope this helps.

a tip for you, have a look at the air filter, if it requires changing then i would change it before you re tune the lpg.

the previous owner put one of those cone sponge air filters on. i think the air to petrol mixtures are away off. On the first drive of the day when the lpg changes over it struggles to keep going when idling. Like it either starving of air or lpg but then after a few seconds it sorts itself out and runs fine.

you can buy metal ones, anout 20 quid. Suspect youve got a aeb leonardo controller. Change filter for a metal one and reset your gas up. Its easy to do just fiddly