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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Poor economy and trouble starting when cold.Views : 12865 Replies : 140Users Viewing This Thread : |
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Over winter a few times I had trouble starting my car, it just turned without really seeming to fire. Sometimes pressing the accelerator worked, sometimes it didnt. I usually left in 10min and then cam back and it started but with a strong smell of fuel from the exhaust and the Engine Warning Light showing. Once the car was warm an Italian tune up saw the light go off the next time the engine was started.
Ive also notice in the last 6-12 months that my economy is around 28mpg average with mixed town and motorway driving. Just got 34mpg out of a 60 mile motorway run at 65-70mph. I dont have a heavy right foot and do drive quite economically. From doing a search I'm lead to believe the Fuel Pressure Regulator is the suspect part and will need replacing. Generally when this part is mentioned so are the Fuel Pump, the Thermostat and the Engine Tempature Sender however my car runs fine with regards to auto choke, reaching correct running temp and staying there and warm air through the fans. Im also considering wether the HT Leads and Ignition Coils will need changing. Anybody want to venture on what on the list will need changing and the best place to start? So far prices Ive seen for various parts are as follows but feel free to correct any you think are wrong - *Fuel Pressure Regulator - around £70 *Thermostat and the Engine Tempature Sender - around £70 *Fuel pump - around £270 *HT Leads - around £35 *Ignition Coils - around £90 Altogether its over £500 so I would prefer not to have to change all of it if it can be helped. However as I do cover quite a lot of miles (16-17k a year) and have the possibilty of 2 trips into europe this summer, if I can get my economy sorted they may end up paying for themselves. |
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