Check Engne Light, Misfire, Rough Idle on Nissan Altima

An engine vacuum leak from the  intake manifold gasket may cause the engine to misfire or have a rough idle which may also illuminating the Check Engine Light.

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Average mileage: 149,003 (48,000–320,000)
Engines affected: 2.4L 4 Cylinder, 2.5L 4 Cylinder, 3.5L V6, 6 Cylinder
11 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2005, 2006, 2007
106 people reported this problem
46 people shared problem details
2005 Nissan Altima- 2.5L 4 Cylinder86,000
Rough idle, engine light indicates cylinder 4 misfire. Nissan told me it was the catalytic converter under recall and replaced it. that did not fix the problem. took it back. Nissan told me i needed a new cam shaft sensor, that did not fix the problem. Nissan told me it must be the other sensor that needs to be replaced. that did not fix the problem. Changed the spark plugs and coils. that did not fix the problem. changed the belts and tensioner and hoses but that did not fix the problem. Another mechanic told me i needed to replace the alternator. that did not fix the problem. Any one want to share some insight here or am I just getting screwed?
2006 Nissan Altima- 2.5L 4 Cylinder110,000
Cylinder 3 misfire. Not fixed yet, Engine running rough upon start... almost at a stall. Yet doesn't happen all the time. The RPM gauge fluctuated once. Check engine light comes on, and doesn't stay on all the time. The car does not run like it used to. Mechanics don't know what to do. Replaced spark plugs, flushed system, moved around the sensors, still came up with same error code. Replaced the Cam shaft sensor, then replaced the coil. Check engine light goes on and off... still not fixed. Said I might have to replace the cylinder. Very frustrating. Someone else on this board mentioned that they had heard a "water" sound... I had that too, but fixed it with a cooling system flush, there was air in the system. I really am not sure if they are related or not, but started at the same time.
2002 Nissan Altima- 2.5L 4 Cylinder
Shaking bad at lights, or in drive with foot brake on, Intake Manifold.
2001 Nissan Altima145,256
I have a 2000 and a 2001 Nissan Altima that seem to have a misfire on #4 cylinder. I have checked plugs and wires,injectors and cap and rotor. I'm hearing a vacuum leaking coming from around #4 intake port(manifold). I was reading other owners with the same problem. Is the intake gasket the problem.
2003 Nissan Altima84,000
Rough idle. Random Misfire Code. Check Engine Light blinks and goes away.
2002 Nissan Altima- 2.5L 4 Cylinder118,000
Car is smoking and acts like it wants to cut off while driving. It slows down and then picks up speed out of no where.
2000 Nissan Altima- 2.4L 4 Cylinder160,700
I had a leady intake manifold gasket which caused a vacuum leak, but it still may be a problem because the engine is idling very rough, it is shaking and the check engine light is on.
1998 Nissan Altima- 2.4L 4 Cylinder138,000
i have a 1998 nissan altima engine runs ruff when car is park or at a stop light.
1997 Nissan Altima- 2.4L 4 Cylinder141,000
Rough idle and check engine light. Misfire between cyls. 3 and 4. Replaced intake manifold gaskets upper and lower... problem solved.
2000 Nissan Altima177,000
Service engine light is on, rough, vibrating idling. burns excessive gas. was told #4 spark plug is wet
2006 Nissan Altima- 2.5L 4 Cylinder48,000
#4 cylinder is misfiring. problem is not solved.
misfire shaking and running rough and after putting it in gear no power
1997 Nissan Altima140,000
runs rough, goes out at red lights or stopping. Misfire in cylinder 4 mecnanic said Manifold Gasket
1997 Nissan Altima- 2.4L 4 Cylinder82,000
blown intake gasket # 4 cylinder
car turn over but wont start i pour gas in the air flow it run but shut back off
2005 Nissan Altima- 2.5L 4 Cylinder200,300
I had a check engine light flash on and off, car would sputter in gear and driving but not at an idle. Very poor gss milage leading up to the sputtering. I took it to a mechanic and he said he ;"flushed the screen". That fixed the check engine light and sputtering issues for one day. I researched changing the fuel filter but it's in the fuel pump assembly. So I removed the back seat and the covers to access the fuel pump. (Very difficult to do without proper tools). I found debris clogging the intake port for the pump. After removing all gas and wiping out debris, I blew out the screen and reservoir. That fixed the problem. ... For one day. The real problem was a small amount of debris in my gas tank. Save yourself some big problems and clean your gas cap compartment and wipe off the gas nozzle before pumping!
2002 Nissan Altima- 2.5L 4 Cylinder100,608
rough idle, check engine light on and engine wants to stall when given gas.
2005 Nissan Altima- 2.5L 4 Cylinder175,000
Rough idle and blows smoke out the intake
2002 Nissan Altima- 2.5L 4 Cylinder193,300
cylinder #1 misfire with code 301
2001 Nissan Altima121,583
P0304 code. Spent about $1000 trying to trouble shoot problem (fuel injection, injector and seals, service throttle body chemical inspection, modified gasket on idle control valve, fuel induction system service, replace power steering pump....all in all it turned out to be intake manifold gasket...replaced at another $650.00. This all occurred in 2007 at 83,225. Now at 121,583 and throwing P1126 and doing the same lurch at stop light and vacillating rpm's like it is going to stall at stoplights again. I think it might be the intake manifold gasket again.
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