2001 Volvo S80 DON'T ACELERATED

2001 VOLVO S80
70,000 MILES • 6 CYL • 2WD • MANUAL
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FATLUM
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sorry for my English.
my car don’t accelerate more than 3000 rpm and after that the rpm go down to 2500 rpm and don’t go up more. in the message display -- engine control. same thing happened when i plug of the cable going to the air flow sensor. thanks in advance

PS.
I AM FROM ALBANIA, AND WE HAVE NOT GOOG SERVICE HERE
Sep 1, 2009 at 3:44 AM
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JIS001
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You should have the engine control module scanned for diagnostic trouble codes. Also how is the charging system? Low battery voltage can cause a lot of problems especially with the electronic throttle module.
Sep 1, 2009 at 11:52 PM