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Runs but No Power 200 1988

posted by  mike chase on  Sat Nov 6 14:46 CST 2004
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last visit: Fri Mar 12 05:48 CST 2010
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Did a bunch of diagnositc stuff but still baffled about my '88 240 with automatic transmission.

Symptoms:
1. Starts (sometime hard)
2. Idles ok.
3. No power -- doesn't die -- just takes a long while to accelerate.
4. Doesn't miss.
5. Can get nice strong response (good acceleration) at high rpms (auto transmission -- kept it in first gear then shifted up to second). No missing, no sputtering. Not fuel starved or bad spark -- very strong running at high rpm indicating good spark and good fuel supply
6. Fuel pressure at an even 44 pounds (use IPD adapter on fuel rail with gague).
7. Seems to have good vacuum.

Testing today:
1. Cleaned Idle Control Valve (in pretty good shape - not very dirty)
2. Swapped ECU ( . . . 544) with another of my Volvo's (checks out ok)
3. Swapped AMM (. . . 007) with another of my Volvo's (chekcs out ok)

Any ideas about next steps?

Thanks for any ideas.

Mike





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New Runs but No Power [200][1988]
posted by  mike chase subscriber  on Sat Nov 6 14:46 CST 2004 >


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