This is topic check engine light on---please help in forum Tech Talk at Northern California Ford Owners .
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Posted by 96cobra/svt (Member # 4240) on
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my check engine light came on I got a code p1443
wich was the idle air control valve wich I replace but my light came back on again with the same code p-1443 what else can be wrong
Posted by 2stang (Member # 4237) on
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Did you dissconnect the battery to clear the codes?
Posted by 96cobra/svt (Member # 4240) on
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yes I am pretty sure i clear the codes
Posted by SALEENx3 (Member # 1605) on
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What year of car and what motor did this P1443 code come out of. If, and I am judging by your screen name, this code came out of a '96 Mustang Cobra, P1443 is an EVAP system control problem and has nothing to do with the iac. Basically, P1443 indicates a problem with the EVAP purge flow system. You have either a damaged PF (purge flow)sensor connector, a damaged EVAP cannister purge solenoid or a damaged PF sensor.
Posted by 96cobra/svt (Member # 4240) on
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thanks, how do I know wich one is it or what should I replace first
Posted by SALEENx3 (Member # 1605) on
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Check the connector first, that would be the easiest. Check for any pushed out pins, damaged pins or corrosion. If the connector is ok that leaves you with either the purge control solenoid or the purge flow sensor as possible problems. Testing the items will require a volt-ohm meter to check for proper resistance in the solenoid and proper voltage signals to and from the sensor. Or, you can substitute parts. Substituting a known good part with a suspected problem part is, of course, only possible if you have access to a known good part.
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