Question about 1996 Nissan Altima

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CAR RPN GOES UP AND DOWN WHEN A DEAD STOP

NOT ALL THE TIME CAN IT BE THE MAP SENSOR NO CHECK ENGINE LIGHT BUT THE FILTER IS ALITTLE OILY

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It might have a lick on your valve make a compression test to justify it..or you may need a tune up on your car it should cause that problem too . if it your map sensor it should trow a code in it so i probably say that your map sensor is still working as a champ.

Posted on Dec 27, 2008

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Posted on Jan 02, 2017

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I have a 2005 mercury sable the. check engine light came on. I took it to AutoZone and the readings said it's running lean. Wht does that mean and what could be the cause?


It means that the engine is running lean which can cause engine knock. When the knock sensors detect excessive knock they set the check engine light.
Low fuel pressure.
Dirty fuel filter.
Dirty or bad MAF sensor.
Bad MAP sensor.
Vacuum leak.

Bad injector.

Jun 07, 2015 | 2005 Mercury Sable

1 Answer

Mercury mystique problems


Here are just a few causes--- Dirty air filter, faulty oxygen sensor ( check engine light will be on)--- Defective map sensor ( MAP ) manifold absolute pressure sensor. Defective tps ( throttle position sensor ) Defective ect ( engine coolant temperature sensor. This is just a few causes. If the check engine light is on, You can go to any auto parts store and they will read the code for free. God-Bless!

Aug 08, 2014 | Mercury Mystique Cars & Trucks

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Starts but goes dead,stARTS aagain and DOES THIS FOR A FEW TIMES THEN IT WILL RUN PROPERLY


I doubt it.
If the map sensor were faulty, you should get a check engine light and a trouble code for the sensor stored in the computer.
I would check the fuel pump relay and base fuel pressure.
The pump may not be getting power from the relay but instead only from the oil pressure switch.

Apr 08, 2013 | Cars & Trucks

1 Answer

Check engine light on,not full power from engine


First check the following:

1) Spark plugs, leads and coils.
2) Fuel filter and pump
3) Air filter.

After those, then check MAP sensor and MAF sensor.

Nov 13, 2012 | 1994 Chevrolet Camaro

1 Answer

Won't rev up


My first question is - is the check engine light on ?
Possible causes are the map sensor, a restriction in the air filter, exhaust, or a problem with the timing belt among other things.

Sep 01, 2012 | Toyota Cars & Trucks

1 Answer

Why does my 1997 chevy s10 have a high idle while coasting?


Sounds like a dirty air filter is putting the mass airflow sensor out of range. The throttle position sensor is subject to physical wear, the age of your truck warrants replacing it. The coolant temp sensor controls the Idle Air Solenoid which determines idle speed ( cold, high idle, 1200 rpms open loop mode for the ECU) and (hot, low idle, 800 rpms, closed loop mode for the ECU) If the truck does not have a Mass airflow sensor, check the Manifold absolute pressure sensor (MAP). Perform an OBDII scan for stored fault history to avoid buying parts you don't need. Do the cheapest fixes first. Go ahead and change the fuel filter also. There is a lot of water in todays fuels

May 29, 2017 | Chevrolet S 10 Cars & Trucks

1 Answer

I have a 2002 Trailblazer and it goes dead at stop signs,etc. Also, upon idling, floods and goes dead when the a/c is turned on. Don't know if relay, map sensor or fuel pump. Sometimes the gas gauge...


drive the truck or van to advance auto parts store near you and have them check the OBD II code sensor to see if you get any codes at all. Usually your check engine light should come on by your dash but if you have a short too that this might not come on. Also usually have autozone or advance auto parts check your altinator and battery out first when you are there. I think that the wires might be shorting out things by your engine that is causing this problem.

Jun 02, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I have a 95 Maxima that occasionally stalls when I come to a stop. The check engine light was on so I hooked it up to an OD2 sensor and it gave the following 7 codes: P 1320 - Distributor Signal...


Trying to clean the MAP sensor will damage it. Install a New Air filter and The Fuel filter, then replace the MAP sensor. Do not touch, or spray(compressed air or solvent) on the element when installing it. Have all of the OBD II Stored codes Deleted. Add a can of B&G 44K fuel additive to a full tank of fuel. The B&G is the best on the market, do not substitute. It is only available Through dealerships (Toyota). It will condition fuel pump and injectors. The ECU in your car is very dependable and rarely needs replacing. Always Replace cheapest parts first. Test drive the car and Then recheck The OBD II for new faults. The dimming of your lights before shut down was due to RPM of the engine dropping below 750 RPMs. Alternator will not produce voltage below 750 Rpms. 30 Amps at 14 Volts is required to run the engine.

Mar 03, 2017 | 1995 Nissan Maxima

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