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Check engine light problem

Tiny
DR.BBLUE
  • MEMBER
  • MAZDA 626
I have a 1997 Mazda 626 4 cyl manual. My check engine light came on and I tested it and got a p0404 (egr range/perf) and a p1195 (egr boost sensor) and I had it tested by my mechanic and he checked out all the wires except the wires to the computer and came out with the right voltage. Hes says the egr system is fine but it might be either the computer or the wires to the computer. I changed the computer and got the same results, but he still thinks it because of the computers. Do you think its the wires to the computer or the cumputer itself?
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Saturday, August 5th, 2006 AT 10:10 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Did you try the egr boost sensor?
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Tuesday, September 12th, 2006 AT 5:06 PM
Tiny
DR.BBLUE
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  • 1 POST
The egr boost sensor was tested but turned out fine then a month later the p1195 code has somehow disappeared but still remain with the p0404 code and the occasional p0400 (egr flow malfuction) code but theres noting wrong with the egr system, its all tested and it gets the right voltage
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Saturday, September 30th, 2006 AT 9:55 PM

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