engine code 52

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petrol

08-03-2006, 06:44 PM

Engine code 52 - fuel system rich - engine stalls on deceleration - have changed air filter and upstream oxy sensor, any ideas anyone? Thanks in advance.

Wollf

08-03-2006, 10:18 PM

Try the downsteam , but i had 52 on my 95 neon and upstream worked for me...

das2123

08-03-2006, 11:56 PM

A damaged coolant temp sensor could lead to running rich (at open loop, and a bad CTS may cause it to stay in open loop).

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