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HUGHZEB

Member Since: 27 Dec 2017
Location: BOTSWANA
Posts: 1

DEFENDER 90 TD5 NO ENGINE ACCELERATION AFTER ENGINE WASH

Hi, I took my 2003 Defender 90 TD5 for an Engine wash (which was done with the engine running). after the wash, i backed it up ready to pull off and the orange engine light came on and it failed to accelerate. Engine kept running. Switched off the engine and started it again, it revs a bit and then does the same thing with the light coming on and fails to accelerate.
Has anyone had a similar problem. Please help!
Cheers

28th Dec 2017 2:22am

Lou Sparts

Member Since: 15 Apr 2012
Location: Kent
Posts: 1501

2005 Defender 90 Td5 XS CSW Zambezi Silver

Have never had this problem but then I never wash my engine !!! Did you pressure wash it ? As a pressure washer is quite capable of pushing water past the seals on sensor connections on the engine I would be inclined to disconnect the connections to the maf sensor, the map sensor, crank position sensor and any other connections you can see and make sure they are dry if wet blow out with compressed air if available if not use paper towel to soak up excess moisture then spray with WD40 or similar. Also make sure your air filter and housing are dry, whilst in there check the ambient air temperature sensor that lives in there and check it’s connections for moisture ingress.
Hope this helps. 2005 Td5 90 XS

Steve

28th Dec 2017 1:00pm

lightning

Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2239

I’m not sure l would jet wash an engine at all, let alone do it while it is running.

28th Dec 2017 11:07pm

bankz5152

Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

I jetwash mine on a lower setting, sometimes its caked in muck and needs a clean!

Not sure whats happened, could have killed the crank sensor. Ideally you need to plug in to some diagnostics

28th Dec 2017 11:12pm

rallysteve

Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2199

2002 Defender 110 Td5 DCPU Keswick Green

Remove airfilter and make sure it isnt wet.

Doubt crank sensor is the issue as it would not run at all. 02' 110 TD5 Double Cab Rebuild Thread
84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale

Mobile Diesel Heater Build Thread

28th Dec 2017 11:39pm

bankz5152

Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2069

Not totally true. I had an intermitant starting/running fault (would cut out randomly) after some deep wading. Changed the sensor perfect again.

110 had a slow starting issue which was also down to the crank sensor.

29th Dec 2017 11:57am

Willbof

Member Since: 07 Nov 2017
Location: Cardigan
Posts: 30

2012 Defender 110 Puma 2.2 XS CSW Zambezi Silver

Definately check the air filter, got a bit deep wading once and had similar symptoms. Filter had gotten damp and a chunk fell off which ended up in the maf sensor!

13th Jan 2018 11:33pm

roel

Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Sounds like a throttle pedal position sensor problem to me. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)

14th Jan 2018 1:48pm

annette

Member Since: 24 Nov 2017
Location: Tilarán, Costa Rica
Posts: 68

disconnect all cables on the engine, dry, spray contact cleaner and reconnect.
Use the opportunity to relocate all those that were full of . Fixing Land Rovers in rural Guanacaste

17th Jan 2018 5:20pm

atakanmerdin

Member Since: 15 Dec 2017
Location: Nairobi
Posts: 26

bankz5152 wrote:
Not totally true. I had an intermitant starting/running fault (would cut out randomly) after some deep wading. Changed the sensor perfect again.

110 had a slow starting issue which was also down to the crank sensor.

Echoing this sentiment as well. CPS if faulty can start engine but cuts out randomly! Changing this also fixed my intermittent and dead throttle issue.

7th Feb 2018 6:32am

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