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RobKeay

Member Since: 19 Jul 2009
Location: Stafford
Posts: 1582

2014 Defender 110 Puma 2.2 USW Corris Grey

2.2 cutting out

Have been having a problem for a week or so.

The puma 2.2 cuts out when off the power. It starts straight back up. But the engine light comes on.

Plugged it in and said maf sensor.

Changed air filter and maf sensor. Ran for a few days no problem ( 100 or so miles).

It’s done it again. Has anyone any pointers please.

15th Jul 2022 12:26pm

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3418

2012 Defender 90 Puma 2.2 CSW Santorini Black

Have you re plugged it in? Still MAF related? Could it be wiring to the MAF rather the MAF itself? 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

15th Jul 2022 1:19pm

RobKeay

Member Since: 19 Jul 2009
Location: Stafford
Posts: 1582

I’ll have a look at the wiring.

15th Jul 2022 2:34pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2027

Check intercooler to see if crimped seams at the side have split, generally lower left hand seam as you look at it from the front. Also check hose from turbo to IC, IC to metal tube, metal tube to inlet manifold for splits .

See https://www.defender2.net/forum/topic84115.html

16th Jul 2022 12:15am

RobKeay

Member Since: 19 Jul 2009
Location: Stafford
Posts: 1582

I’ll have a look thanks for that

17th Jul 2022 8:07am

RobKeay

Member Since: 19 Jul 2009
Location: Stafford
Posts: 1582

Any ideas gratefully received.

The 2.2 90 still cuts out. Only slowing down and now only with a heavy trailer.

5th Aug 2022 11:22am

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2027

Assuming you have checked IC, hoses and clamps and they are ok, have you had any EGR related DTC’s I.e P0401 ?

Also worth removing the MAP and the Air Charge Sensor, give them a clean and check the connectors and wiring.

Ps is the new MAF a gen LR part ? Some aftermarket ones have had issues, I would also double check the MAF connector wiring, if there is an intermittent issue it may have been resolved for a short while by removing and reconnecting the connector when fitting the new MAF but now showing again.

5th Aug 2022 11:47am

RobKeay

Member Since: 19 Jul 2009
Location: Stafford
Posts: 1582

I can’t see anything. Going to get it checked out.

Yes it is a non gen maf sensor.

Why is the engine cutting out rather than going into limp home mode?

7th Aug 2022 9:07am

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