Question about 2008 Volvo S40
I have 2008 Volvo S40 2,5 5T. Because of the broken timing belt the head was replaced.When I start the car in the dash show SRS air bag need service urgent.i start the car and all is fine 800 rpm but after 5-10 min. the rpm start oscillating from 800 -1100 rpm.I used a code reader and say Throttle /pedal position sensor/switch A B voltage correlation.It`s. anybody can help with that?
You need to take it off and on the side there is a hole spray some dw40 or switch cleaner in the hole and shake it about a bit in side the sensor. then drain it out. and leave to dry. should be fine then. give it a few turns before putting back on and then set it back to bottom and refit to the markings on the side of the intake. if there is none make some before removing it.
Posted on Jan 22, 2014
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Posted on Jan 02, 2017
If you have SRS and "brake failure" it should be taken to a dealer. a shadetree mechanic will screw more up than he will fix in this case. trust me on this! you will pay a price, but will save you more $ and less headache in the longrun.
Posted on May 09, 2009
just unhook the battery for about 20 minutes. if you have an anti-theft radio make sure you know the code and how to enter it.
Posted on Sep 10, 2009
Yes, your intercooler is a problem cos it cools down the turbo charger. The turbo is what gives you your extra power, and when it overheats, it loses pressure and thatcauses loss of power.
Posted on Feb 03, 2010
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