I pulled over and shut off the engine. the check engine light was coming on prior and says it is misfiring but the mechanic says it is running fine?
Dear S70 owner- You should check the fuel pump controller relay that is located under the fuse box (you have to remove the cover with the Torx screws located on the corners of the top fusebox). Next check your MAF sensor, (located in the airbox hose leading to the turbo) as I .have had a similar problem with my own S70 T5
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.
SOURCE: 1998 volvo s70 heater smells strange and smoke fills the cabin
Your heater core is leaking. The smell and smoke is from the coolant evaporation.
SOURCE: i drive a volvo s70
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
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.
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.
SOURCE: 1998 volvo s70 glt turbo 2.4L 5cyl alot of white
check head gasket and also check inlet manifold for cracks or inlet gasket
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