Why did you change the MAP sensor? Was there a DTC code indicating problems? Do you still have the same code? Have you reset the codes (if that was the only code displayed)? Why did you change the battery?
If your check engine light is on, please provide the DTC code and a brief history of the problem and what you have done to resolve it.
Testimonial: "My battery was dead, so I got a new one. After the battery was changed my check engine light was on, so I took it to get a code reading and was told my MAP sensor was bad, got it changed and the light came back on. Mechanic said he reset the sensors"
If the light came back on after he reset the sensors, the code needs to be checked again. If it's the same code, then the mechanic did not troubleshoot the problem correctly the first time. Depending on the code, there is more than one thing that can trigger the code. If it's a code for the MAP, then the wiring and connections should have been checked to verify they're OK before the sensor got changed. ESPECIALLY, since there was no problem until the battery was changed. Good luck!
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