P246B fault on 1.2 petrol grandland x 2019

Faults and Technical chat for the Vauxhall Grandland
Valer
Posts: 70
Joined: Sun May 09, 2021 3:47 pm

Post by Valer »

P0171 is a generic obd code,it's reporting the effect (mixture enriched to it's limit) not where the problem is
Retired Vx Tech,currently drives an Astra K 1.0t SRi
Diagnostic Equipment, Drewtech Mongoose Pro GM2 running GDS2,Opcom 200603

Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Thanks.
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Hi all. So it looks like it is the gpf. I believe this is inside the exhaust manifold and should be self cleaning. Might be because it is an automatic because it cleans mostly I deceleration. These are recent additions to petrol engines so may be a fundamental issue in the near future.
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Finally got it into dealership 5 days ago. They can’t work out what is wrong with it. Paid extra for an in depth diagnosis. Said they have to confer with engine manufacturer in France. God knows.
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Just had a call and they are saying it is the number one O2 sensor so they are going to fit it Monday. Fingers crossed.
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Hi all. Just got a call. Unfortunately that didn’t fix it. They have the senior tech looking at it and he cannot diagnose the fault. Been without car for over 4 weeks.
scotspie501
Posts: 41
Joined: Thu Apr 20, 2023 5:33 pm

Post by scotspie501 »

Hi All

where is the best place to buy a sanner tool to read and clear fault codes

what is a gpf
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Hi all. 3 months later. Dealer suspected bad unleaded fuel. Removed fuel from tank. Car now gets up to speed but keeps holding back on throttle response so is undriveable. Now getting fault codes P0638. P2173. P2074. Dealer hasn’t a clue.
Kev8
Posts: 18
Joined: Mon Jun 19, 2023 1:55 pm

Post by Kev8 »

Hi all. Can anyone give me the email address for CEO of Vauxhall please
Luki987
Posts: 1
Joined: Fri Jan 12, 2024 9:17 pm

Post by Luki987 »

Hi. Do u remember how they fixed it?
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