Question about 2003 Volvo S40

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Volvo s40 engine sensor fuse keeps blowing

Replaced fuse and it will run for awhile then will blow again. need locations to look for probable cause.

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  • 11 Answers

Sensor wire may be shorting out.sensor wire may be stripped and grounding against engine or other ground source.

Posted on Nov 30, 2012

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Posted on Jan 02, 2017

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SOURCE: S40 2.0T cat sensor keeps blowing

The car uses a lot of fuel, when the garage replaced the sensor the car used a lot less fuel but the sensor failed within a day and the engine management light came back on again. It's after the cat sensor, the one at the back. i don't know what type of sensor it is but it has a 4 pin white plug and is about 1meter long (part no is 308643308 ntk a4f ) if it helps. I just want to know if it is possible that the exhaust can damage the sensor if it is loose? The garage keeps replacing the part but it does not look like they are trying to fix the problem!! i will fix the exhaust first and try a new sensor again.
Thanks vagman54

Posted on Nov 12, 2008

  • 8 Answers

SOURCE: 1992 volvo 240 keeps blowing overdrive fuses

More likely that the solenoid in the transmission is shorted to ground. Has any new electronic equipment been installed recently, like stereo, alarm, etc?

Posted on Feb 10, 2009

  • 1 Answer

SOURCE: want to replace signal fuse in volvo s40

i have a 98 s40. The fuses can be found internal (under the dashboard near the bonnethandle). Inside it you can find the fuse clamp and extra fuses. These can also be used for the external fusebox under the bonnet.
I have found the fuse that might be broken, but i can't replace it because it has some extra casing. It's for internal lights and the alarm.


Posted on Jun 07, 2009

  • 1 Answer

SOURCE: Missing Fuses, Volvo S40

Where is the fuse located for the 12 volt accessory plug in the front passenger compartment?

Posted on Jul 03, 2009

cansmo
  • 2431 Answers

SOURCE: What causes the fan to keep running on a 2000

The temperature sensor for the fan now does it run when the engine is cold,with the a/c off? That fan only need to reun when the engine is about to exceed operating temperature,The sensor itself may have shorted out, It is not need when engine is cold unless the a/c is commanded on

Posted on Apr 22, 2011

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1 Answer

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Engine fuse (20 amp) keep blowing


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Engine fan fuse blows every few days2001 volvo s40


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1 Answer

1992 volvo 240 keeps blowing overdrive fuses


More likely that the solenoid in the transmission is shorted to ground. Has any new electronic equipment been installed recently, like stereo, alarm, etc?

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Blows fuses


Generally speaking, a fuse 'blows' because too much current is drawn through that circuit. In this case I suspect a 'short-to-ground' or a bad voltage regulator (inside the alternator in a GMC). First, I would check the alternator's output voltage. Easiest just to look at your guage. Up to 14 1/2 volts is normal on a GM (with truck running), if it's higher - you need a new alternator. If it's under 14 1/2 volts, you
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diagrams, etc.) this should be left to a competent automotive electrical shop. It could be as simple as a wire's insulation worn off or a short 'inside' the ECM (you truck's engine control computer). No matter what, one trip to a competent mechanic will probably be cheaper than continually replacing the computer and/or towing bills. Good luck!

Nov 24, 2008 | 1992 GMC Sonoma

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S40 2.0T cat sensor keeps blowing


if its over voltage thats causing the problem your fuelling would go sky high not burn the sensor out,not familiar with volvo but i do loooooooots of engine management faults,do you know if its a wideband sensor or a standard zirconia type,is it before the cat or after it ? if the exhaust is loose surely you would have fixed it before it damaged three sensors !!!!! or do you have an enginemanagement light that keeps coming on...............more details please......

Nov 11, 2008 | 2000 Volvo S40

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