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Performance Volvo Cars A forum for those interested in any Volvo performance car from any era, FWD, RWD and AWD! |
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TURBO BOOST PROB'SViews : 982 Replies : 3Users Viewing This Thread : |
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May 6th, 2002, 15:46 | #1 |
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TURBO BOOST PROB'S
According to the fault codes my turbo boost pressure is set too high.code=4-1-4.
Also long term fuel mix too weak/rich in part load stage. Can anyone give guidence in correcting these faults??????? |
May 7th, 2002, 07:27 | #2 |
850/70 Register Keeper
Last Online: Apr 24th, 2008 19:02
Join Date: Dec 2000
Location: Leicester
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RE: TURBO BOOST PROB'S
If this is a new acquisition, go back to the seller and as for their help in rectification.
If not, considering the double-barrelled nature of the problem, I would head towards a Volvo specialist or franchise dealer who can check out all the elements relating to your fault codes. Sometimes, correcting a specific can lead to problems elsewhere, as I'm sure you are aware - the holistic approach would seem to be the best one here. |
May 7th, 2002, 14:46 | #3 |
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RE: TURBO BOOST PROB'S
You need to find ou if these are new or old codes-reset the fault codes and see if they are still registering at a later date.
Normally you would also get warning lights and the car would not drive well with these codes. If the fuel mixture is not correct you should get the Lamda light illuminating on the dash and an overboost would normally cause a check engine light and cause a sudden drop in power. The chances are they are old codes that have not been cleared! |
May 7th, 2002, 20:35 | #4 |
VOC Member
Last Online: Apr 10th, 2017 16:55
Join Date: Jan 1970
Location: South Kent Coast
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RE: TURBO BOOST PROB'S
If they come back, you've most likely get an air leak on one of the control lines to the turbo servo.
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