Omega Owners Forum
Chat Area => General Car Chat => Topic started by: pauls on 22 March 2011, 11:16:42
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A friend has a signum1.9cdti which keeps going into limp mode. He has had it read but no codes showning. He was told it was the particulate filter so he changed that no difference. I was just wondering if anybody had any ideas. :y
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There will be codes stored, do the pedal test and it will display the fault codes in the odo display.
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Can you do the pedal trick on a diesel :question
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Can you do the pedal trick on a diesel :question
1.9 CDTi supports the pedal test
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partical filter ££££££ ouch !! someone guessing ?? :-/ :-/ :-/ :-/ :-/ :-/ :-/
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partical filter ££££££ ouch !! someone guessing ?? :-/ :-/ :-/ :-/ :-/ :-/ :-/
Take them off and soak them over night in oven cleaner, rinse and regen.
Simples
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He just bought a pattern part £340 vx want £800+ when he took the old one off nothing inside empty :exclamation
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What type of oven cleaner and how do you rinse/dry afterwards
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What type of oven cleaner and how do you rinse/dry afterwards
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What type of oven cleaner and how do you rinse/dry afterwards
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What type of oven cleaner and how do you rinse/dry afterwards
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Sorry about that dont know what happened
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Don't know about oven cleaner but used some well diluted caustic soda on one myself & it worked a treat. Gave it a good rinse out afterwords. Most importantly PDF must be regenerated when refitted. This not only completely cleans out remaining soot frim DPF it also resets the counter in the engine ECU that works out the soot loading in same.
Two things though.1- DPF regeneration willl not happen if there is any fault picked up in engine ECU. (Split pipe from front of DPF to pressure sensor on bulkhead being one that comes to mind). Any faults in engine Ecu must be eliminated before it will proceed. 2- DPF temp gets up to 650 degrees when regenerating so only do it in a wide open space on concrete. Also you do need diagnostic equipment to trigger a regen.
Usually the problem with this engine is a failed Egr valve that stuffs the DPF with soot after 100 miles driving. On earlier cars without DPF the EGR would just cause power loss & hard starting.
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Don't know about oven cleaner but used some well diluted caustic soda on one myself & it worked a treat. Gave it a good rinse out afterwords. Most importantly PDF must be regenerated when refitted. This not only completely cleans out remaining soot frim DPF it also resets the counter in the engine ECU that works out the soot loading in same.
Two things though.1- DPF regeneration willl not happen if there is any fault picked up in engine ECU. (Split pipe from front of DPF to pressure sensor on bulkhead being one that comes to mind). Any faults in engine Ecu must be eliminated before it will proceed. 2- DPF temp gets up to 650 degrees when regenerating so only do it in a wide open space on concrete. Also you do need diagnostic equipment to trigger a regen.
Usually the problem with this engine is a failed Egr valve that stuffs the DPF with soot after 100 miles driving. On earlier cars without DPF the EGR would just cause power loss & hard starting.
Yep, exactly what I use.
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Morning all, just had a call from my mate he said he has just tried the pedal trick and nothing happened the light with the car/spanner just stayed on. He said he did the following foot on brake foot on gas turned on to position 2.
Any ideas welcome. He has had the car plugged in with a auto electrian while the car was in limp mode but it showed nothing would this be because the reader is no good? He has stated that he has cleaned the egr as well..
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Morning all, just had a call from my mate he said he has just tried the pedal trick and nothing happened the light with the car/spanner just stayed on. He said he did the following foot on brake foot on gas turned on to position 2.
Any ideas welcome. He has had the car plugged in with a auto electrian while the car was in limp mode but it showed nothing would this be because the reader is no good? He has stated that he has cleaned the egr as well..
Cough
There will be codes stored, do the pedal test and it will display the fault codes in the odo display.
So the ECU light wont flash ;D :y
As for cleaning the EGR, has he done a compelte strip down including drilling a hole in the top and extracting the solenoid innards?
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odo display :question I assume you mean the centre display with their just come up his display screen or does he need to do something else. Sorry will tell me what you recommend for the egr thanks again
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odo display :question I assume you mean the centre display with their just come up his display screen or does he need to do something else. Sorry will tell me what you recommend for the egr thanks again
No, the odo display, i.e. the trip and mileage display.
As for the EGR, search for the details but, you need to remove the solenoid, drill a hole in the top and then use a drift to knock the centre plunger out. This then needs cleaning until its shiney as its the plunger that sticks, and not the pintel. :y
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Can you do the pedal trick on a diesel :question
1.9 CDTi supports the pedal test
Not on the Signum and Vectra C it doesn't
Does on the 1.8 and 3.2 petrol which is a bit random