Question about 1998 Volvo S70

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

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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

Posted on Dec 11, 2008

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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

jonathanh356
  • 75 Answers

SOURCE: why do the check engine light stay on? volvo 2000 S70

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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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 do i fix evap control system on 1998 volvo s70


Check for vacuum leaks. I will bet that you have a bad or leaking vacuum hose between the intake manifold or PCV System and the Evap. System.

Nov 19, 2012 | 1998 Volvo S70

1 Answer

Triangle light on 1998 s70 volvo


sounds like a coil issue

Sep 03, 2012 | 1998 Volvo S70

1 Answer

How to reset service light on 1998 volvo s70 glt


Hi the 1998 Volvo Have OBD II and require a code reader to to read and erase code which resets the service engine soon light if you go to AutoZone they will reset it for you for free.
Have a good night.

Mar 17, 2011 | 1998 Volvo S70

2 Answers

My 1998 volvo s70 go died when idle at stop i


I'm having the same problem. At first I thought it was bad fuel so I replaced the fuel filter to no avail. Then I cleaned the Mass Air Flow sensor which also didn't work. Is your check engine light on?

Jul 26, 2010 | 1998 Volvo S70

1 Answer

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


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.

May 31, 2010 | 2000 Volvo S70

2 Answers

My radio is locked and says off for 1998 s70 volvo need code


It only takes 2 hours with the car not running and the key in the on position so all the lights light up

Sep 16, 2009 | 1998 Volvo S70

1 Answer

The check engine light is on.


Sometimes disconnecting the battery for a few minutes will reset the check engine light. Make sure you have the correct radio code before doing this or your radio will not work after disconnecting the battery.

Mar 21, 2009 | 1998 Volvo S70

1 Answer

The ABS light goes on (sometimes when the engin reaches it's normal temperature) it doesn't go on when is cold... What can be the problem? Sometimes it even goes off after it reaches the final...


there will be an ABS system trouble code stored, don't guess have the dealer or a Volvo background shop check the system for that code, then u will know where to look for the problem that turned the light on..

Mar 15, 2009 | 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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