Possible clogged system
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Junior Member
Joined: Feb 2004
Posts: 20
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From: Fort Worth, TX
Car: 1991 V6 Firebird
Engine: 3.1 MPFI
Transmission: 700R4 Automatic
Possible clogged system
Could a clogged Cat or Muffler cause a pressure build up in the engine? My oil pressure gauge goes above 80 whenever i come to a stop but returns under 80 once i start driving. It has a lack of power like the system is clogged but i have never had a cat or muffler go bad so i dont know the symptoms. Sorry if this sounds stupid but any help would be great. The car has over 140,000 miles if it helps the diagnosis.
-Anthony
-Anthony
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Joined: Aug 1999
Posts: 360
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From: Stafford, VA
Car: 2000 Corvette FRC
Engine: LS1
Transmission: M6
Could a clogged Cat or Muffler cause a pressure build up in the engine? My oil pressure gauge goes above 80 whenever i come to a stop but returns under 80 once i start driving. It has a lack of power like the system is clogged but i have never had a cat or muffler go bad so i dont know the symptoms. Sorry if this sounds stupid but any help would be great. The car has over 140,000 miles if it helps the diagnosis.
-Anthony
-Anthony
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