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- #2005 nissan altima mass air flow sensor problems how to
- #2005 nissan altima mass air flow sensor problems code
The second time they said the transmission was going out but didn’t offer an explanation as to how the two were related. Originally was put in the shop for a P0175 code. That has actually been part of the problem. Starting with replacing was probably the most expensive of the guesses, doubly so since you did it twice, any may well have introduced more variables into the mix. Look at the data from the O2 sensors, MAP sensor. Go get a real diagnosis or continue on this expensive route of just blindly replacing parts. Well since obviously the fuel injectors weren’t the problem, it’s time to consider the other things that could cause a rich mixture. Usually when that test fails, it doesn’t stall the engine, meaning the EGR valve is stuck closed. I put a vacuum on it and make sure it stalls the engine. I always test the EGR on my cars as part of a tune-up. The first would cause poor engine performance and stalling, the second could cause engine overheating, misfiring, etc.Īs far as my own experience, I’ve had similar symptoms on my older VW Rabbit, caused by a problem in the MAF function.
#2005 nissan altima mass air flow sensor problems code
I’m not sure whether this code means the EGR is open when it should be closed, or closed when it should be open. The code says the sensor is indicating the EGR valve is opening and/or closing when it shouldn’t. If it increases in temperature the computer knows the EGR has opened. How it works on my Corolla, the computer knows when the EGR should open, and measures the temperature of a thermal sensor in the EGR pathway. During idling, slow speed low power driving it remains closed, then opens on higher speeds and situations that call for more power, accelerations, going uphill etc.
![2005 nissan altima mass air flow sensor problems 2005 nissan altima mass air flow sensor problems](https://i.ebayimg.com/images/g/rEQAAOSwOSVdP8wq/s-l400.jpg)
It re-routes a little exhaust gas back into the intake in order reduce Nitrogen compound air pollution, and to prevent the engine’s innards from overheating.
![2005 nissan altima mass air flow sensor problems 2005 nissan altima mass air flow sensor problems](https://images-na.ssl-images-amazon.com/images/I/61Z5IACd4ZL._AC_SL1000_.jpg)
Anytime the engine acts like it just doesn’t want to produce much power at all, or stalls, won’t start, one suspect which has to be considered is the EGR valve. I’ve also cleaned and tested the MAF sensor.
#2005 nissan altima mass air flow sensor problems how to
I was looking at videos on how to test them with a screwdriver but seems like it would be rather difficult to do with the Bank 1 injectors being under the intake manifold. Any ideas on where to start?īeing that the fuel injectors have been replaced twice I’m having a hard time believing that it is once again the fuel injectors.
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I let it sit for about half an hour and it eventually started with some prodding from my gas pedal and was able to pull those codes with my OBD II diagnostic reader after making it home. At that point, the car simply wouldn’t start. I pulled into the nearest station to put on my live data ELM327 to read it while I finished my drive home. the acceleration was really slow after that. It quite quickly dropped to really low RPM’s all the way up to about 4 RPM’s and back to normal. I’m not even sure it could be called a hesitation. I was driving along the highway and everything was going perfectly okay and all of a sudden it hesitated. P0335 - (crankshaft sensor A was recently replaced) P0172 - Fuel injectors have been replaced twice in the past 6 months due to it saying gas too rich
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