engine code 52
petrol
08-03-2006, 05:44 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, 09:18 PM
Try the downsteam , but i had 52 on my 95 neon and upstream worked for me...
das2123
08-03-2006, 10:56 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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