Question about 2005 Mazda MPV
I have a 2005 MPV. The brake light was on intermittently, but I suspected that was due to a low fluid level in the reservoir. The fluid level ws low because the brakes were worn. Anyway I added fluid and the brake light went out, but within minutes the check engine light came on. Here are the codes:
P2195 - Upstream 02 not switching
P0134 - HO2s circuit condition
P2187 - System too lean at idle bank 1
P2179 - System too lean at idle bank 2
Here is the current problem: The engine light is still on.The idle is rough. It hesitates on acceleration.
Also, if you rest your foot on the brake for a period of time the power brake assist diminishes substantially. I know this indicates a vacuum leak and it may be related to the master cylinder, but the brake light has NOT come on since I added fluid.Any help would be appreciated.
Posted on May 13, 2010
Generally The brake light only indicates the parking brake is on and/or low fluid in level. You are correct that it indicates a vacuum leak recheck ALL vacuum lines you should be able to hear it as well.
Posted on Oct 19, 2008
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