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SN95 Cobras
Car suddenly started pinging today...
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<blockquote data-quote="MustangMatt77" data-source="post: 13543743" data-attributes="member: 136434"><p>If the op has two volt meters, heat gun, scan diagnostic tool, and electrode pins then yes he can test or diagnose his air charge temp sensor. </p><p></p><p>I would not actually call it a guess if someone else's vehicle (same model, one year newer) is experiencing the same issue and replacing the ACT sensor resolved the issue. At the end of the day though it's the op's decision and when he fixes it and shares, maybe it will help someone else down the road with similar issues.</p><p></p><p>A faulty air temperature sensor may also affect the operation of the EGR valve is the PCM uses air temperature to determine when the EGR valve opens (on most, it uses the coolant temperature input).</p><p></p><p>A faulty air temperature sensor that is reading warmer than normal will typically cause in a lean fuel condition. This increases the risk of detonation and lean misfire (which the op mentioned warm temp days which could only exaggerate his problem if the sensor already thinks it's getting hot air).</p></blockquote><p></p>
[QUOTE="MustangMatt77, post: 13543743, member: 136434"] If the op has two volt meters, heat gun, scan diagnostic tool, and electrode pins then yes he can test or diagnose his air charge temp sensor. I would not actually call it a guess if someone else's vehicle (same model, one year newer) is experiencing the same issue and replacing the ACT sensor resolved the issue. At the end of the day though it's the op's decision and when he fixes it and shares, maybe it will help someone else down the road with similar issues. A faulty air temperature sensor may also affect the operation of the EGR valve is the PCM uses air temperature to determine when the EGR valve opens (on most, it uses the coolant temperature input). A faulty air temperature sensor that is reading warmer than normal will typically cause in a lean fuel condition. This increases the risk of detonation and lean misfire (which the op mentioned warm temp days which could only exaggerate his problem if the sensor already thinks it's getting hot air). [/QUOTE]
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Car suddenly started pinging today...
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