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Old 10-30-2018, 10:34 AM
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flashZR1/Z06
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90 ZR1 running rich and fouling oxygen sensors. Causes/solutions?
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Old 10-30-2018, 03:07 PM
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ccmano
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Originally Posted by flashZR1/Z06
90 ZR1 running rich and fouling oxygen sensors. Causes/solutions?
Original injectors? If they are, test them and replace. Most likely injectors, aside from that check the MAP sensors and the O2 sensors. As a matter of fact if the O2 sensors are fouled replace them.
http://www.zr1specialist.com/HAT%20W...eplacement.pdf
http://www.zr1specialist.com/HAT%20W...in%20Place.pdf

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Old 10-31-2018, 03:44 PM
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Thank you
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