Build a Coolant Level Sensor for 2nd gen S40 & V50 Volvos
Build a Coolant Level Sensor for 2nd gen S40 & V50 Volvos Why Build a Coolant Level Sensor? MadeInJapan builds his own coolant level sensor for his S40 because this common item was not included on...
View Article2008 XC70 3.2 Fuel Pressure Specs
2008 XC70 3.2 Fuel Pressure Specs 2008 XC70 owner mrscullini is troubleshooting long cranking on his wagon. “When the engine is shut off, it pretty quickly bleeds down to 0. trying to diagnose a hard...
View ArticleHow Temperature Gauges Work – Psst: It’s Software
How Temperature Gauges Work – Psst: It’s Software Two weeks ago, MVS member mrbrian200 wrote a very interesting paragraph about how Volvos display engine temperature in a topic about a 2006 S60...
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How to Test Oxygen Sensors
MVS Forums member bluenote 27 feels like his Volvo 240 isn’t getting its maximum km per L of gas and he has a hunch that it might be related to the vehicle’s oxygen sensors. He raises many important...
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How Oxygen Sensors Work
In 1976, Bosch introduced what would eventually become one of THE most important technologies for reducing exhaust emissions:oxygen sensors. By 1996, Bosch had produced its 100,000,000th oxygen...
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Volvo Oxygen Sensor Part #
What’s that volvo oxygen sensor part number? Your volvo oxygen sensor works with your car’s computer to optimize your engine’s performance. If it is not working properly the result could include...
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How To Clean Volvo Throttle Body
Looking to learn how to clean your volvo throttle body? If you’re looking to clean your volvo throttle body, read on. On a Volvo 850, you will see a black plastic cover with a single torx screw...
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How To Fix a Volvo Stuck Horn
Make it stop! How to fix a volvo’s stuck horn. Few things can compare to having a stuck horn on your volvo. MVS forum member volvonassal knows this first hand and has taken the time to share his...
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The Final Word on Volvo Remote Programming
Look no further to find out the final word on volvo remote programming. The Volvo keyless entry remote control must be reprogrammed if its batteries go dead. You may prefer to avoid having your local...
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Coolant Temp Sensor Causes Engine Stall
Coolant temp sensor troubles. The coolant temp sensor is used to measure the temperature of the engine coolant of an internal combustion engine. The readings from this sensor are then fed back to the...
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’93-’96 850 Trouble Codes
Testing 850 trouble codes. Here is a write-up on Volvo – 850 Trouble Codes. Like on any “Mode” change with the diagnostic box under the hood, press the button two times for mode two and 4 times for...
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Dealing with Speed Sensor Connectors
Troubleshooting speed sensor connectors. The vehicle speed sensor counts the revolutions of the transmission output shaft. For a given vehicle, the Transmission Control Module considers a certain...
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Trouble Codes (DTC) Library OBD-II
Volvo OBD-II trouble code help. We in the 850 family who have 1996 and 1997 model years have it easy. Check Engine light comes on? We just plug in our code readers and a magical system called OBD-II...
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ID The Mass Air flow Sensor (photo)
What and where is the mass air flow sensor? A mass air flow sensor (MAF) is used to find out the mass flowrate of air entering a fuel-injected internal combustion engine. The air mass information is...
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Volvo Codes 455 and 543
What do these Volvo codes really mean? You do not need a special scan tool to read Volvo codes. As electronic systems were added to more Volvo models, more socket options and even more diagnostic...
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Neil Hates his 2000 V70 R. Here’s Why.
Those long time members here know I hate this car as I am now so far into it from a cost perspective I can never hope to sell it and even make back what it originally cost me without the thousands of...
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