H13VYY 0 Posted October 10, 2008 Report Share Posted October 10, 2008 hi. wondering whether anyone could help. my sister's polo has been nothing but trouble since she bought it. the engine management light has been coming on and off. i have taken it to garage who have changed the following so far: Coilpack, temperture switch, spark plugs, leads. The light dissapeared for a while but it has now come on again. It's also been serviced.anybody know what else could trigger this light?thanks Link to post Share on other sites
UnitedMotorsport 55 Posted October 10, 2008 Report Share Posted October 10, 2008 Read the faults codes stored in the ECU, Itll tell you whats wrong instead of people guessing. Link to post Share on other sites
H13VYY 0 Posted October 10, 2008 Author Report Share Posted October 10, 2008 yeh they did a diagnostics check and found all of the above problems..which they have replaced so far. They now are saying the next problem on the list is the oxygen sensor. Link to post Share on other sites
richievr 1 Posted October 10, 2008 Report Share Posted October 10, 2008 stupidly enough the brake light switch CAN cause the engine management light to come on..it may be worth a check.. Link to post Share on other sites
H13VYY 0 Posted October 10, 2008 Author Report Share Posted October 10, 2008 stupidly enough the brake light switch CAN cause the engine management light to come on..it may be worth a check..cheers mate il take a look Link to post Share on other sites
pimpcat 0 Posted October 11, 2008 Report Share Posted October 11, 2008 could be the mas air flow sensor mine triggered my engine management light nd they replaced it could also the the ecu its self possibly Link to post Share on other sites
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