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please comment on codes 1121 and 1131 for 1996 mazda lx 2.0 engine

Sent to Car Experts April 26, 2006 10:03 a.m.

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1996 Mazda lx 2.o

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April 26, 2006 10:13 a.m. (9 minutes and 29 seconds later)

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Here is repair inforfor the codes. The 1121 is for the throttle position sensor being inconsistant with the mass air flow sensor.

Code 1131 is for the fron toxygen sensor reading lean. These codes could be related. If the mass air flow is not working correctly it would set both codes, but following the diagnostics is best.

I would start by making sure the maf hose is attached correctly and use a can of air (commonly used to clean electronics available at most stores) to clean the wire in the mass air flow sensor.

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autodoc_2000 -- Auto Service Technician -- 99% Positive Feedback on 864 Car Accepts
ASE Master Tech w/ Advance Engine Performance

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