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Running like a dog!Views : 3659 Replies : 36Users Viewing This Thread : |
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Sep 1st, 2013, 18:32
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#1 |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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Running like a dog!
Howdy
 My car started running like an absolute pig yesterday! Feels like it is running on 4 cylinders!! Maf code came up on vol-fcr along with fuel quantity signal both of which have been present for a while, the second seems to appear if parked on a slope & brings the light on at start up then goes off after a day or two... tried my other cars maf on it thinking that would solve the problem but it is exactly the same! but after a drive it shows no code!! have noticed the radiator fan is running alot, just went out to start it after around 3-4 hours off & the fan was straight on! any ideas? initial thought is ecu?
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Sep 1st, 2013, 18:52
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#2 |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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Not the ecu!
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Sep 1st, 2013, 18:53
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#3 |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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My wifes car has a prototype ecu on it.... is that normal?
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Sep 4th, 2013, 19:53
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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Ok
I have played with the injectors & I don't think it is any of them...... EGR is fine & now blocked up I changed the fuel filter & put some injector cleaner in It has improved loads but it still is not right! Defiantly the low end power side of things where the problem is highlighted, over 2k not so much a problem...... & not starting properly! hot or cold bit baffled by it to be fair any ideas?
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Sep 5th, 2013, 07:54
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#5 |
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Lunatic from Wakefield
Last Online: Apr 16th, 2023 06:33
Join Date: Dec 2004
Location: wakefield
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i would check the pump timing ,hot, cold starts are symptoms
 mike
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2012 volvo xc90 Executive Buccaneer Bermuda 2021 |
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Sep 5th, 2013, 13:03
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#6 | |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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Quote:
timing is spot on... seems at low revs it is mega over fueling... just been out for around 5 miles & its averaged 23mpg
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Sep 5th, 2013, 13:16
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#7 |
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Lunatic from Wakefield
Last Online: Apr 16th, 2023 06:33
Join Date: Dec 2004
Location: wakefield
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Is the temp sensor okay
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2012 volvo xc90 Executive Buccaneer Bermuda 2021 |
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Sep 5th, 2013, 13:42
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#8 | |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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Quote:
showing no codes though! am charging my laptop to go & check on these now
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Sep 5th, 2013, 14:37
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#9 |
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MaDMaN
Last Online: Nov 26th, 2022 18:47
Join Date: Sep 2006
Location: Red Lodge
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fuel temp reading was 67 degrees but started to drop....
engine temp looked normal injected fuel quantity looked eratic varying from 8-10mg/second with engine hot wifes car cold was rock solid ~ 8-mg/s
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Sep 5th, 2013, 17:34
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#10 |
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Lunatic from Wakefield
Last Online: Apr 16th, 2023 06:33
Join Date: Dec 2004
Location: wakefield
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i would check all the electric plugs and the one thats a pig to get to at the fuel pump at the block. worth a shot
mike
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2012 volvo xc90 Executive Buccaneer Bermuda 2021 |
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