SOURCE: 98 volvo s70 stalling out, then finally after a day wouldnt start
If the air pump system is setting a fault, then the check valve is probably bad. If it is not addressed, eventually exhaust gases can run back through the air hose to the air filter housing and destroy the MAF sensor, causing these types of problems.
The fuel pump also fails and is a more likely cause of the stalling, and it wont set a code.
SOURCE: 1999 volvo radio code
To reset the radio you have to leave the key in position one (the radio will come on, but the dash lights are not on) with the radio on for at least two hours. It can take up to four hours to reset.
Make sure the climate control and blower are in the off position to keep the battery from running down. Eventually the radio will say "code". There is a four digit code that is unique to each radio, if you don't have it you must contact the local Volvo dealer and have your VIN code. The VIN code is locate on the far top/right side of the dash, you must be outside the car to see it. It will begin with something like YV1LS...................
When you get this code from the dealer you input the code using the radio preset (1-6 buttons). If the radio says code again that means it is the incorrect radio code. Most likely the radio has been replaced. Then it would be alot easier to take it to the dealer since the radio has to be removed and the serial number taken off the radio chassis unit. Usually most dealers will do it for free if they think you'll come back for services, so just tell them you just bought it and be nice, hopefully it will work.
hope this helps
SOURCE: water pump an timing belt on a 1999 volvo s-80 2.9
give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.
Testimonial: "Thanks much for your help........"
SOURCE: diagram of timing belt on 2000 volvo s70
Sorry for the delay.
I am personally going back to answer your unanswered question. I do not know if you still need the answer, but I am going to answer it in case you still do.
Click on the following direct Link. It has the Timing Belt/MARK(S) Diagrams that you will need, complete with Instructional and Directional Diagrams.
Again my apologies...
Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
http://www.2carpros.com/car_repair_information/year/1999/make/volvo/model/s70/1999_volvo_s70_timing_belt_diagram_marks.htm
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