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2010 SRX won't run


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Norman52
New User

May 4, 2014, 2:38 PM

Post #1 of 2 (1628 views)
2010 SRX won't run Sign In

i have a 2010 SRX 3.0 V6, 35K miles. I went to pick it up at the airport and it started and barely ran. It was like a car with a massive vacuum leak. The engine would barely idle and if you stepped on the gas nothing happened. Sometimes it would rev a little but then go back to a very low lopey idle and usually die. Towed it home and pulled the code. Code P0641, Sensor Reference, Voltage A circuit open.
Per the shop manual this is the fuel pressure sensor back by the fuel tank. Does this sound right. I thought these cars had a limp home mode? No other codes.
Out of curiosity I disconnected the battery to clear the memory and the codes to see if the computer might relearn. I started the car and let it run (Between dying) for 20 minutes to see if any other codes would pop. P0641 right off the bat, then a while later I got a P0131 and a P0152 which I think are the oxygen sensors then the P0300 which is the cylinder misfire. So any ideas? Could it be a bad PCM just going bad and throwing codes? By the way my freeze frame data showed MAP at 28.9 and fuel pressure at 70.0. Some of the freeze frame data is all over the place. The temp shows 32 and then 88 and the MAP goes between 28.9 and 32.1. Just trying to throw out as much data as I have.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 4, 2014, 3:05 PM

Post #2 of 2 (1617 views)
Re: 2010 SRX won't run Sign In


Quote
Code P0641, Sensor Reference, Voltage A circuit open.
Per the shop manual this is the fuel pressure sensor back by the fuel tank


No, it doesn't. It means the circuit that supplies 5V reference voltage to all the sensors is open circuit. I would suggest having it towed to a competent driveability tech.



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