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Enes, Volvo Master Technician
Category: Volvo
Satisfied Customers: 5557
Experience:  18 yrs+. experience as Volvo & ASE Certified Master Technician.
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Hi I have a volvo xc90 that comes up with a message Engine

Customer Question

Hi I have a volvo xc90 that comes up with a message Engine System Service Required, ive taken it into my local garage (not volvo) they have read the codes which are
6661 glow relay control faulty signal
6663 glow relay control faulty signal
1330 air mass meter
1320 air mass meter
1365 air intake temp sender
They cleared all of these and then just the air mass meter came up which has now been replaced but all the codes are coming up again and it eventually puts the car into limp home mode, engine symbol comes up.

Any advice much appreciated.
Submitted: 4 years ago.
Category: Volvo
Expert:  Enes replied 4 years ago.

enesd : Hello and welcome to my name is Enes I'm a Certified Volvo Car Expert Mechanic.I'm going to try to help you find the help you need .
enesd : if you get codes for maf sensor I think you need to try need maf sensor
enesd : thrysensor they do go bad also on that model with time
enesd : From what you say it looks like bad maf sensor
enesd : Reply here
JACUSTOMER-6g9322mx- :

Hi Enes

JACUSTOMER-6g9322mx- :

I have changed the mass aif flow meter is that what you are referring to

JACUSTOMER-6g9322mx- :

Are you able to offer any more advice please

enesd : You used a new volvo dealer maf
enesd : Did you use right part
enesd : any air or vacuum leaks can trigger it also
JACUSTOMER-6g9322mx- :

I used a gsf same bosch numbers can not see air or vacum leak is there common place

enesd : There best is pressure is system with air or smoke special tool to see vscuum or air leaks