Question about 2000 Volvo S70

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Why do the check engine light stay on? volvo 2000 S70

The check engine light stays on

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Your engine's computer is seeing data from the engine that it considers out of the normal on your vehicle. Any automotive repair shop will be able to scan the computer for the trouble code for you. Autozone will scan the code for free, however, you will still need to bring the trouble code print-out to a well qualified technician to be able to tell you what the potential problem may be. These codes can indicate anything from a loose gas cap to random misfire in the engine.

Posted on May 31, 2010

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Posted on Jan 02, 2017

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SOURCE: check engine light

Most check engine light faults are related to a vacuum leak in the system. It could be as simple as a loose gas cap. In my case, and the majority of other S70's, there is a small vacuum hose elbow, located out of sight from the engine manifold and behind the engine thermostat housing, that has deteriorated and is most likely setting the code in your vehicle for a fault. It is not easy to get to and will take some effort to replace. You can go to Autozone and they can read the code for you to see if you're going in the right direction. If it is a gross vacuum leak as determened by the code, then look a the rubber elbows/hoses in the charcoal vapor canistor vacuum circuit. Check out some of the forums such as Mathews or Bay13 for technical inof on the actual repairs.

Posted on Dec 23, 2008

ninja_freak3
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SOURCE: volvo 99 s70 awd check engine light stays on, also service light

have the codes ran on a scanner
Advance Auto Parts
Pep Boys
Auto Zone
They will all do it for free
however federal regulations prevent them from clearing the codes, they can still tell you what is wrong with the vehicle, and even print out a list for you to go by

Posted on Nov 16, 2011

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Why would my 1998 s70 suddenly decellarate from 75 mi p/hr on interstate to 0.what could be the cause, no engine noises or smoking


Did the engine stall or did it just lose power but stay running? Did the gauges fall to "0" or idle?

Usually when something major like that happens, the check engine light will come on and there will be codes set in the computer.

I would start by checking the codes, and if at all possible, use Volvo's VIDA and DiCE interface to make sure you get the right codes. Some generic code readers can't read all the Volvo specific stuff.

That will get you closer to the actual problem.

Rule out the simple stuff. Do you have enough gas in the tank? The gas gauge might be wrong and you're empty. The ETM could be wonky and on its way out. Google "Volvo ETM" and read up - there's a sticker on it and the color of the sticker could indicate if you have the old (likely faulty) module or not.

Ignition wires - these engines are coil on plug if I remember right (they changed around those years '98 or '99) and then you check the little wires to the coils.

Jun 23, 2014 | 1998 Volvo S70

1 Answer

How to turn off brake light on volvo s70 after brake job


If the light is on there is a problem and you need the system scanned for a fault code.

Aug 23, 2012 | Volvo S70 Cars & Trucks

1 Answer

Check engine light stays on, also service light is still on


well when you see service light flashing time to take vechicle to dealership they need to code scan see what causing check engine light and service light to flash on.

Nov 16, 2011 | 1999 Volvo S70

1 Answer

I have Volvo s70 2000 model, Check engine, arrow up flashing and service light are up, very hard to drive, can only go 25 miles per hour Whats wrong??


go to Advance auto parts to test the OBD II sensor codes first to see what codes are coming up. Advance auto parts has one there they can check your codes for free.

May 31, 2011 | 2000 Volvo S70

2 Answers

''Check Engine'' light is always ON


try disconnecting battery for an hour
are there any codes coming up

Mar 13, 2010 | 2000 Volvo S70

1 Answer

1998 VOLVO S70 INTERMITTENT CHECK ENGINE LIGHT, GOES OFF COMES ON NO EMISSION CODES


intermittent engine codes are not serious and it just indicates that one or more of the sensors is reporting a bad signal..at what ever time intervals.....this just means that as you drive , bad connections develops as a result of the movement for a second or long enough for the computer to detect a fault and then it goes back to normal....you can check for bad connections yourself by wiggling the wires with engine running and see if the light comes on ..which will tell you where the bad connection is and then fix it yourself or just wait until the connection gets really bad and the engine light stays on permanently .the computer will then store the code thats causing the fault and you'll know exactly where it's coming from.

silvio

Jul 08, 2009 | 2000 Volvo S40

1 Answer

Check Engine light


The easy fix? OK--here it is---remove positive battery cable--step on brake for 10 seconds, reconnect cable.

If it resets, get a code reader to see what the malfunction is. Remember---Volvo's remind you of oil change intervals by displaying that wonderful light!

BTW--at 123000 miles I would suspect the oxygen sensor is in dire need of replacement. Replace with Bosch only!

Feb 15, 2009 | 2000 Volvo S70

1 Answer

2000 volvo not wanting to stay running


you prob have to check your idle control its expensive $185.00 part only.

Dec 26, 2008 | 2000 Volvo S70

1 Answer

I drive a volvo s70 and my check engine light stays on its a 1998


Hi you need the car putting on a diagnostic machine to determine the problem, these lights come on for a reason, Hope this helps

Regards
Steve

Dec 11, 2008 | 1998 Volvo S70

1 Answer

Check engine light


Most check engine light faults are related to a vacuum leak in the system. It could be as simple as a loose gas cap. In my case, and the majority of other S70's, there is a small vacuum hose elbow, located out of sight from the engine manifold and behind the engine thermostat housing, that has deteriorated and is most likely setting the code in your vehicle for a fault. It is not easy to get to and will take some effort to replace. You can go to Autozone and they can read the code for you to see if you're going in the right direction. If it is a gross vacuum leak as determened by the code, then look a the rubber elbows/hoses in the charcoal vapor canistor vacuum circuit. Check out some of the forums such as Mathews or Bay13 for technical inof on the actual repairs.

Dec 11, 2008 | 1998 Volvo S70

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