Codes P1193, P1187, P1316
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1st Gear
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Codes P1193, P1187, P1316
Help, does anyone know what these codes are? I have a 1998 Discovery, which has not had any problems until now, it failed emissions testing with the state. Any help anyone can give me would be greatly appreciated. Should I take this to the dealer or a local mechanic?
Recovery Vehicle
Joined: Mar 2005
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From: Durango, CO
RE: Codes P1193, P1187, P1316
The P1316 - Excessive misfires detected possibley causing cataylst damage (excessive Emisions)
P1187 - Oxygen Sensor Heater Circuit Short Upstream
P1193 - HO2S Heater Circuit Inferred Open Circuit, Downstream Sensors
P1187 - Oxygen Sensor Heater Circuit Short Upstream
P1193 - HO2S Heater Circuit Inferred Open Circuit, Downstream Sensors
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