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I have a 1991 Seville I recently purchased, very clean exterior, interior not to bad, 148k miles. Sadly last oild change (Last recored Oil change) was almost 10k miles ago, the air filter had holes an ripped portions an was plain filthy. Following codes where present:




E123 an or E125 (Sounds silly but cleared codes before recording last code properly)


If anyone has some input please leave a reply or comment!

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Try some kind of injector cleaning. Check for fuel leaks at injectors or lines. (E046 = unbalanced fuel pressure left/right bank, E098 = high RPM at idle when setting into gear)

E052 = ECM memory reset indicator

Can´t find E123 or E125. Maybe B123? If so there is a broken indicator lamp in the panel.

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