Relay

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Laurr007
Posts: 2
Joined: Sun Jun 18, 2017 9:21 pm
Currently Drives:: 2000

Relay

Postby Laurr007 » Sun Jun 18, 2017 9:40 pm

Hello... I have megane mk2 1.9 dci 130 hp I need to know which one is the realey for protection injection and mass air flow sensor.....Fuse : + feed for main injector relay (238)air flowmeter feed protection 799).... I don't know what colour have... There are 6 relays.... 2 brown.... 2 grey and 2 pink.... Which one is?????

grandadbobby
Advanced Driver
Posts: 275
Joined: Thu Feb 16, 2017 9:05 pm
Currently Drives:: megan dynamique estate 1.9dci

Re: Relay

Postby grandadbobby » Mon Jun 19, 2017 1:57 pm

Hi,
don't quite understand, what is wrong with car ?
Bob.

Laurr007
Posts: 2
Joined: Sun Jun 18, 2017 9:21 pm
Currently Drives:: 2000

Re: Relay

Postby Laurr007 » Thu Jun 22, 2017 3:57 pm

I diagnostic the car and I have the code Df039 and Df056.... I checked with multimeter the socket what is plugged in mass airr flow and I have no power 12v..in dashboard is coming out the message check injection.... And the engine don't run good...it's some realey for mass air flow sensor and injection protection?

grandadbobby
Advanced Driver
Posts: 275
Joined: Thu Feb 16, 2017 9:05 pm
Currently Drives:: megan dynamique estate 1.9dci

Re: Relay

Postby grandadbobby » Thu Jun 22, 2017 8:09 pm

Hi,
DF039 airbag/seatbelt driver side circuit
DF056 injection, air flow sensor circuit

l also can't find where 12v feed comes from. Haynes manual is useless and nothing on the net.
You will have to follow wire back to source, but l have a feeling it may go to the pcm.
l would look there for corrosion or bad contacts at connectors.
Maybe as a test, you could give the maf sensor a live feed from battery and see if it runs better.
lf l find anything to help l will post again.
Bob.


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