Question about 1994 Mazda MX-5
0470 PROBLEM Exhaust gas pressure sensor - circuit malfunction
SOLLUTION Check Wiring, exhaust gas pressure sensor, ECM
1402 PROBLEM Exhaust gas recirculation (EGR) valve position sensor
SOLLUTION Check Wiring, EGR valve position sensor
Posted on Aug 20, 2008
I fixed it by buying a new EGR valve and the codes have not returned.
Posted on Jul 28, 2008
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Posted on Jan 02, 2017
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