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Discussion Starter #1
Hey everyone,:newbie: here, about 6 months ago I got in a car accident, I have pulled the body back out and replaced all my crushed parts, and my car is finally running again. Unfortunately, since I had registered the car as a Non Op while I was fixing it, I have to get a SMOG check done before I can get my sticker for the year. The problem is that in California, they won't pass a car with a check engine light. I have the three following codes going off for me

P0105
MAP/BARO Circuit Malfunction
P0105
MAP/BARO Circuit Malfunction (Yes, its there twice)
P1105
Manufacture Contrl
Fuel Air Monitor

Any help would be appreciated. Thanks in advance =)
 

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7 Posts
I strongly recommend to anyone who wants to maintain their own vehicles, or just make sure their mechanic is trustworthy invest in an OBD II code scanner. I bought mine at Walmart for $100, there are cheaper ones available, and better ones for more $ (search online, make sure it works for your car). Most mechanics charge at least $50 to scan for codes. Part stores will do it for free but usually won't reset the check engine light. My OBD scanner has probably saved me, my family and friends hundreds of dollars!

Use the scanner to erase the codes, drive the car for 100 miles, if no CEL pass inspection. If CEL returns search the OBD codes on this forum and the internet. Buy a service manual for this car if you want to do the repairs yourself, sometimes the repair can be simple with the right info/knowledge.

P0105 Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction

P1105 MAP/BARO Pressure Switch Solenoid Valve
 

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Discussion Starter #3
I strongly recommend to anyone who wants to maintain their own vehicles, or just make sure their mechanic is trustworthy invest in an OBD II code scanner. I bought mine at Walmart for $100, there are cheaper ones available, and better ones for more $ (search online, make sure it works for your car). Most mechanics charge at least $50 to scan for codes. Part stores will do it for free but usually won't reset the check engine light. My OBD scanner has probably saved me, my family and friends hundreds of dollars!

Use the scanner to erase the codes, drive the car for 100 miles, if no CEL pass inspection. If CEL returns search the OBD codes on this forum and the internet. Buy a service manual for this car if you want to do the repairs yourself, sometimes the repair can be simple with the right info/knowledge.

P0105 Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction

P1105 MAP/BARO Pressure Switch Solenoid Valve
Hey, Congratulations. You've managed to tell me something I already knew and not helped at all. I needed info on what to do. not what I have already done.
 

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Apprentice Technician
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784 Posts
umm... b14 sentras are maf oriented, not speed density(MAP), arent they?

and as for clearing the codes to see if they reappear, that takes 3-5 drive cycles. thats turning on the car, meeting a seperate set of perameters such as the car must have a change in temperature of 40F, and must hit 160F, be driven X miles, turned off.

as for repairs, these look like wiring issues. they might be sensor replacement, but its saying you have issues with the circuit.
 
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