OBD1 CODES CODE 52

I Had A Valve Job Done On My 3.0l V6 4runner (167,000 Miles) Because The Engine Was Running Rough And Getting Lousy Gas Mileage (13mpg) The...

1993 Lincoln Town Car V8 Two Wheel Drive Automatic I Am Getting An Error Code 52 Which Translates To "backup Power Supply-voltage...

Speedometer Works But Odometer Quit. Is There Any Thing I Can Do? How Do I Correct A Code 52 On The Srs.

Ihad A Battery Go Bad. It's Voltage Was 12.42 With No Load. Under Annt Load The Voltage Would Very From 12.4 To 4.0 & All Points Inbetween...

Charging System Problem Voltage Fluctuation Over 17.0v At Times With Code 52 New Battery, Alternater And Alternater Connector At Alternater...

I Am Getting #52 (knock Sensor) And #71 (egr System) Codes. I Can’t Find Solutions For These Repairs, Any Suggestions?