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Q:

two days ago my car suddenly started acting like it had bad gas in it . on 1996 Volvo 850

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i've tried,new gas,injector cleaner.and tried cleaning the mass air sensor now it starts runs a couple of minutes then stalls do you think it is still the sensor?if i tap on the sensors housing while it's running the car runs differently is this normal?
(1) Answer
TRY CHECKING THE FUEL PUMP RELAY .LOCATED IN THE ENGINE COMPARTMENT VERY TOP LEFT UPPER CORNER BELOW THE WINDSHEILD.REMOVE THE 4-TORX SCREWS AND COVER. RELAY #103 RED. IF ITS THE ORIGINAL RELAY IT WILL HAVE A DATE.REPLACE IT .