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S70 Runs for 1 second, dies, no start after that S70 1999

posted by  flinch on  Fri Mar 13 10:06 CST 2009
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last visit: Tue Aug 23 20:19 CST 2011
[RELATED]

99 S70 AWD Turbo, 126,000 miles. Plugs, MAF, O2 Sensors, fuel filter, temp sensor changed 8,000 miles ago.

Stored car over winter, was having trouble starting and running when stored, but could get it to go.

Took out of storage, hard to start - took several minutes, then ran OK to home, about 20 minutes. Replaced battery (Wal Mart special, died over winter), then hard to start - took several minutes, then ran for 20 minutes driving OK as before, but would die if I suddenly let off accelerator, then start right up again.

Now it 'starts' and runs fine for 1 second, then dies. Wait 60 seconds, then try to start and same thing. I can do this until battery runs out of charge, but never runs for more than 1 second. Tried starting holding gas pedal down, tried with it up, tried in middle - no change - will start for a second, then die, but I have to wait 30-60 seconds between tries. Tried cranking until battery dies - several minutes - no luck.

Am getting spark, and fuel rail valve squirts fuel when key is on. Tried disconnect MAF - no difference. Measured resistance at temp sensor, and is within OK bounds. Tried wiggling connectors, wiggled key, checked fuses, removed/reinserted relays in their sockets, did magic Volvo dance and chanted incantations - no luck.

No codes register since taking it out of storage. Last fall had sensor lights, can't remember which; one was ominous looking three letter dash light, like ECU or EPS, or XYZ....

Since my clue bag is empty - I appreciate any that you may have.

Thanks!

Flinch

Volvo history: '89 240, '88 740, '93 940, '97 850 (bought new, 97k miles and runs strong), '99 (cursed, and cursed at) S70






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