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DISCO3.CO.UK > Maintenance & Mods (D3)

Significant problems when towing
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 603

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4
Significant problems when towing

Various engine system errors when towing the caravan for the 1st time including limp mode and significant black smoke.
Stop, turn off, wait a few minutes, restart and system check passes and we can carry on with no problems for a while.

Checking PCM with Autel diagnostics gives the following

1.1 P0234-00 Turbo/supercharger overboost condition. Intermittent
1.2 P132B-00 Turbo/supercharger boost control A performance. Intermittent
1.3 P006A-00 Manifold absolute pressure - mass or volume air flow
correlation. Intermittent.

Also sometimes get a transmission error and this is what is recorded

2.1 P0928-00 Gearshift lock solenoid - circuit/open. Historic
2.2 U0155-87 Lost communication with instrument cluster control
module. Permanent

Looking at that last error from the other end.

4. IPC - Instrument cluster control module---(5)
4.1 U0132-87 Lost communication with ride level control module. Intermittent
4.2 U0159-87 Lost communication with parking assist control module. Intermittent
4.3 U0122-87 Lost communication with vehicle dynamics control
module. Historic
4.4 B1A00-46 Control module Historic
4.5 B1A87-68 Battery disconnection/electronic control unit reset. Historic A visitor from the dark side, my other vehicle is an MG5 EV  
Post #233631012th May 2023 5:00 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10539

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I would check there are no leaks on the air hoses.
Ensure intercooler has no leaks.
Check turbo linkage is free  
Post #233631112th May 2023 5:19 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2462

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Clean your MAP sensor Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE  
Post #233634113th May 2023 6:52 am
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 603

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

MAP sensor cleaned, a bit crusty but I have found worse pictures on here. The hole in the sensor was patent but restricted.

Will clean the actuator and am tempted to EGR delete while at it. A visitor from the dark side, my other vehicle is an MG5 EV  
Post #233651414th May 2023 8:02 pm
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 603

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

Actuator rod appeared to be moving ok but with a metallic squeak. A bit of WD40 and some exercise and smooth as silk Smile

EGR Delete, cleared fault codes then a quick blast. Rechecked and no codes shown Very Happy , next test will be a run up to Grimsby tomorrow but the real test will be the next trip with the tintent.

Then set to work on more error codes. A visitor from the dark side, my other vehicle is an MG5 EV  
Post #233689617th May 2023 9:26 pm
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