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Volvo Maintenance Hints for 7xx/9xx - Bill Garland's Nuclear ...

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No or Slow Hot Start: Problem Diagnosis and Repair Guide<br />

No or Poor Cold Start: Problem Diagnosis and Repair<br />

Intermittent No Start or No Warm Restart: Radio Suppression, FI Relay,<br />

RPM Sensor<br />

Intermittent No Start: Fuse Contact Failure<br />

Intermittent No Start: Water Leaking Onto Distributor<br />

Intermittent No Start: Battery Cable Connector Failure<br />

No Start; Tear in Air Duct Intake Hose<br />

Frequent Stall or Hesitation: Carburetted Engines<br />

No Start, Poor Fuel Economy: Timing Problems<br />

Stalls in Heavy Rain: Water Leak in Hood<br />

Mixture, Misfire or Idle Control Problems:<br />

Runs Rich; Black Smoke; Poor Acceleration: ECT, TPS, FI.<br />

760T Floods and Stalls: ECT?<br />

Cold Start, Dies; Dirty or Faulty IAC<br />

Intermittent Stalling: Faulty IAC or Hall Sensor<br />

Slight Hesitation on Acceleration; Several Diagnostic Checks<br />

Hesitation; Poor Driveability: Bad Air Mass Meter Symptoms<br />

Backfire, Poor Acceleration: Failing Radio Suppression Relay<br />

Hot/Cold Air Box Thermostat and AMM Failure

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