Question about 1998 Volvo V70

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2002 Volvo V70 automatic - emmison system light

My V70 has a light that has just come on. It looks like engine block with propeller on the back. Book says Emmission systems fault - take to volvo. Anyone know what could cause this - car driving fine please help!!

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This is probably a faulty Throttle Position Sensor - I had exactly the same problem.
Vovlo specialist hooked my ODBII to a code reader.

Best to get the throttle body cleaned at the same time they replace the TPS

All in £125 plus the dreaded VAT.

Hope this helps

Posted on Jul 13, 2009

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Posted on Jan 02, 2017

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Have Volvo V70 T5 1998.ABS light on speedometer not working


I would check to see if there is a fault code for a vehicle speed sensor (VSS), so you need to have the engine control system (known as the OBD2 control system)) module scanned for fault codes to see if the VSS has set a failure code.

Oct 21, 2016 | 1998 Volvo V70

1 Answer

Why is my "fault in the electronic system" light on?


The light is an engine malfunction light and is registered by the vehicle's ECM (engine control module), the vehicle's onboard computer. The computer is set to read variables from the car's many sensors. If a sensor gives a reading that is out of spec, it lights the light. Under the dashboard by the driver's knee is a socket that is called an OBD11 (onboard diagnostics version 2) port. When a OBD11 code reader is connected to it, it gives a P Code and this tells what is wrong. Garages will normally read the code for free in the hope of getting the work. Connecting and reading literally takes less than two minutes. I have a reader called FIXD which relays information to my iPhone.

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volvo fault in the electronic system Google Search
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Mar 07, 2018 | 1998 Volvo V70

1 Answer

Check engine light suddenly came on. Car has been running well. What coul dbe the problem. This is a 99 V70 Volvo wagon with 160,000 miles on it. I bought it 2 months ago and trustworthy mechanics told me...


The information below was complied by me, it explains what causes the check engine light to come on and the process of finding the cause.

When the Check Engine light (or Service Engine Soon) is turned on, the systems computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible system faults (the gas cap is just one of them) that turn the Check Engine light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen/Oriley and Autozone parts stores (USA only) do this testing for free.

Sep 11, 2011 | 1999 Volvo V70

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I HAVE A 1999 V70 WAGON AND THE ENGINE MANAGEMENT LIGHT IS STAYING MY MECHANIC REPLACED THE CAM ANGLE SENSOR BUT THE LIGHT IS BACK ON IT HAS BEEN SUGGESTED THAT IT COULD BE THE OXYGEN SENSOR


After your mechanic replace the Cam Angle Sensor, did he reset the fault code to 00. If yes and the light went off and stayed off for a while then came back on later it may be the O2 sensor.

Mar 13, 2011 | 1999 Volvo V70

2 Answers

Looking for the low Pressure switch on a 2003 V70 Volvo


Not a hundred percent sure but look under the upper radiator hose on the driver side, about midway of the back of the engine block.

Hope this helps.

Aug 28, 2009 | 2003 Volvo V70

1 Answer

Emission systems light has come on - book says take to volvo - car driving ok. ITs the light that looks like an engine block with a propellor on it - any ideas or help for a single mum much appreciated


It is the check engine light. The car will have to be brought to any mechanic who can put a code reader on it and pinpoint exact problem. The light came on probably due to faulty sensor. Mabey Oxygen sensor if it is the emission system

Jul 03, 2009 | 2002 Volvo V70

2 Answers

DeI have a 1998 Volvo V70 and recently had a


Check engine idle speed, check fuel filter, check fuel system for water ect, add dfry gas to take out water, check distributor caps and wires, check emision system , check spark plugs, check for manifold lead, check fuel injectors, and fuel control system.

Jul 01, 2009 | 1998 Volvo V70

1 Answer

Emission Warning Light came on and misfore


This sounds like a speed sensor issue and you nmeed the correct code and i will help you i promise to resolve this issue for free

May 26, 2009 | 1998 Volvo V70

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