Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

98 s70 won't start, it almost starts when hitting the gas

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Old Mar 4, 2008 | 05:59 PM
  #1  
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Default 98 s70 won't start, it almost starts when hitting the gas

Greetings,
This afternoon, the car wouldn't start. Actually, it started, ran for about 10 seconds, stalled, then ran for a second or two upon restart. Now, it won't start. If I keep hitting the gas when I am turning it over, it will seem like it wants to start, but won't fire up.
What do you think? Fuel filter? Mass Air flow sensor? Vacuum lines?
Will the car run with the MAF disconnected?
Anyone got clues?
Thanks,
Timk. 98 S70 GLT.
 
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Old Mar 4, 2008 | 06:33 PM
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tech's Avatar
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From: Orlando, Florida
Default RE: 98 s70 won't start, it almost starts when hitting the gas

The car will run with it unplugged. The computer goes into limp home mode.
Anyway you can get a scanner to try to read codes?
 
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Old Mar 4, 2008 | 09:29 PM
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Default RE: 98 s70 won't start, it almost starts when hitting the gas

I unplugged the MAF and got it running. I can get codes checked at the autoparts place. Do you know what the output voltage would be for this MAF?I would like to test this onebefore I spring for a new one and that may take a couple of days. As soon as I reconnect the MAF, the engine quits instantly, so the computer must think there is no air and it cuts the fuel.
Would you drive the car in limp mode for very long?
 
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Old Mar 5, 2008 | 06:45 PM
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Default RE: 98 s70 won't start, it almost starts when hitting the gas

I wouldn't drive it for long at all.
Not really sure I know the compensation should be 3 volts.
I don't have the info home for the rest.
 
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