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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Sluggish throttle response (3 engine fault codes)Views : 389 Replies : 2Users Viewing This Thread : |
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Sep 11th, 2019, 10:58 | #1 |
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Last Online: Sep 12th, 2019 16:16
Join Date: Dec 2015
Location: Aycliffe
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Sluggish throttle response (3 engine fault codes)
Hello everyone.
My V50 (on 233,000 miles / 373,000 km) has developed an issue with the throttle response - it's especially bad from cold. Applying the accelerator at rpms below 1800 rpm gives a very slugglish response from the engine. Above 1800 rpm, it's okay, not perfect but totally drive-able. MPG appears to be okay (actually managed 65 mpg @ 70 mph for 600 miles a few weeks ago ). Using my fault code reader I have the following: 1335 - EGR position sensor faulty signal 1412 - EGR control faulty signal - I suspect is a child fault code of the position sensor fault. 0299 - Turbo control pressure too low: I'm hoping the Turbo fault code could be being triggered by EGR (presumably) being in some sort of open loop or default position I'd like to investigate this myself, beside checking the EGR position sensor connector, are there any checks I can do myself to locate the fault? Any pointers would be welcome. Many thanks Last edited by PacmanGoNomNomz; Sep 11th, 2019 at 11:02. |
Sep 12th, 2019, 22:14 | #2 |
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Last Online: Dec 19th, 2021 22:22
Join Date: Dec 2008
Location: Horsham
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Try blanking the egr and disconnect the light grey plug on it if the car has no dpf. See how it drives after? Mines a euro 3 without dpf and the egr has been blanked for 6yrs. 187k and still drives great!
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2005 V50 2.0 SE Sport 1999 S40 1.8 Gdi 1993 460 1.7 LX |
Sep 13th, 2019, 06:42 | #3 |
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Last Online: Nov 13th, 2023 18:30
Join Date: May 2018
Location: Aberdeenshire
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I would also start there, I improved my mpg by about 4-5 and solved an intermittent poor starting issue with this mod.
have a look through my last post - see if there is anything there that is similar to your issue or may help.
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Wife told me to buy a sensible car.... |
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