Join Now
International Automotive Technicians Network

P0493 Diagnostic Trouble Code Discussion for February 2012

Cooling Fan Overspeed


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0493
Help Request Posted
2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
P0493: EGR Control Circuit. This van Just won't seem to go away Came in with a P0403 EGR Control Circuit. Checked wiring including a volt drop test. Replaced the EGR valve with a Mazda valve as a last resort to fix the van after many test drives and no code I shipped the van The passages...
February 06, 2012
2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
P0493: EGR Control Circuit. This van Just won't seem to go away Came in with a P0403 EGR Control Circuit. Checked wiring including a volt drop test. Replaced the EGR valve with a Mazda valve as a last resort to fix the van after many test drives and no code I shipped the van The passages...
February 08, 2012
2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
P0493: EGR Control Circuit. This van Just won't seem to go away Came in with a P0403 EGR Control Circuit. Checked wiring including a volt drop test. Replaced the EGR valve with a Mazda valve as a last resort to fix the van after many test drives and no code I shipped the van The passages...
February 06, 2012
2005 Mazda MPV ES 3.0L MIL Lamp on VIN: JM3LW28A25
P0493: EGR Control Circuit. This van Just won't seem to go away Came in with a P0403 EGR Control Circuit. Checked wiring including a volt drop test. Replaced the EGR valve with a Mazda valve as a last resort to fix the van after many test drives and no code I shipped the van The passages...
February 08, 2012