Hello, gradually my Land Rover Discovery 2.7-liter engine, built in 2007, has been displaying various errors. After the Discovery went through the car wash, it no longer starts. What could be the issue?
I was able to read these errors with the IID tool:
- Pa020C-33 (27) Cylinder 3 injection timing - Frequency modulation/pulse width modulation failure -
signal low time> maximum
And these were the last errors after the car wash:
- P0269-00 (6C) Cylinder 3 contribution/balance
Does anyone know what could be causing this or have any ideas? Has anyone experienced something similar? Can I perform other tests with the IID tool to better identify the issue?
Thank you for your help.
17th Nov 2023 4:11 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10676
Disconnect battery and dry out ecus behind battery ?
17th Nov 2023 5:11 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
Hello, is the control unit behind the battery? Do you think the control unit has become wet?
It's known for it, particularly after power washing the engine bay..
Dean
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17th Nov 2023 5:38 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
I had the car in the car wash for an exterior cleaning; the hood was closed, and I did not wash the engine. Best regards
17th Nov 2023 6:05 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10676
Did you wash the windscreen ?
17th Nov 2023 6:38 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
In the car wash, the windshield is automatically cleaned from the outside, and it is slightly leaky on the driver's side. This allows some water to seep inside. However, the control unit is not located on the driver's side; it is on the left side in the direction of travel. Or am I mistaken?
17th Nov 2023 7:36 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10676
Well I’d check behind the battery unless there are any better ideas
17th Nov 2023 7:43 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
Sure, I'll do that. I'll get in touch. Have a great weekend, and thank you
17th Nov 2023 7:51 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
Discovery 3 - Engine Error: P020C-33 (27) - Need Assistance
Hello, i get this error on my Discovery 3, 2.7-liter Diesel, built in 2007, after running the engine for some time:
„P020C-33 (27) Cylinder 3 injection timing - Frequency modulation/pulse width modulation failure - signal low time>maximum“
After this error, it is no longer possible to accelerate. Does anyone know what this could be?
Thank you. Best regards.
18th Nov 2023 1:15 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5042
Check the ECU behind the battery for water ingress. A faulty bonnet seal can allow water to drain into the ECU box especially if the door is not fully closed on it.
Remove battery, check the ECU and dry out (or WD40) as necessary. You can also check the bonnet seal with water to see if its leaking into the engine compartment. It would be no harm to check the loom connections to the injectors as well.yµ (idµ - eAµ) ψ=mψ
18th Nov 2023 5:40 pm
DiscoveryDriver
Member Since: 23 Oct 2023
Location: Waw
Posts: 29
OK, thank you, I will do that. Regards.
18th Nov 2023 6:13 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561
Please please don’t keep starting a new thread for the same questions.
Keep it together in one place.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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18th Nov 2023 8:54 pm
VMatas
Member Since: 26 Jan 2012
Location: Rybnik
Posts: 152
P020C-33
Cylinder 3 injection timing - signal low, time greater than maximum. Fuel injector circuit short circuit to ground. Fuel injector circuit high resistance. Fuel injector fault.
During the following, clear DTCs and recheck after each step. Turn the ignition off and wait 20 seconds before turning the ignition back on to recheck DTCs. Check the connections for security. Disconnect the injector and measure the resistance and capacitance of the injector. If the resistance is not between 180 and 220 Kohms, or the capacitance not greater than 3 microfarad, install a new injector. If the injector is within specification, check the injector circuits for short circuit to ground, short circuit to power and for high resistance. Refer to the electrical guides. Repair/renew as necessary. Clear the DTCs and test for normal operation.Discovery3 TDV8 HSE
19th Nov 2023 3:42 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10676
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