Possible causes
– Faulty Mass Air Flow (MAF) Sensor
– Vacuum leaks
– Throttle system errors
– Vacuum leaks
– Throttle system errors
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
AUDI Technical Service Bulletins for P1144 code
2002 AUDI A4 ENGINE AND ENGINE COOLING:ENGINE
2002 AUDI S4 ENGINE AND ENGINE COOLING:ENGINE
2002 AUDI TT ENGINE AND ENGINE COOLING:ENGINE
2003 AUDI A4 ENGINE AND ENGINE COOLING:ENGINE
2003 AUDI S4 ENGINE AND ENGINE COOLING:ENGINE
2003 AUDI TT ENGINE AND ENGINE COOLING:ENGINE