Camry :: 2005 LE 2.4 - Engine Runs Rough / Loud While Driving And Cylinder Misfiring
Feb 22, 2015
I bought a 2005 Camry LE 2.4 4 cylinder. It was rather loud while driving, but especially while accelerating. It had error code P0420 from the beginning. It had a completely broken torque strut which I eventually replaced. Afterward since it toned down the kicking from the engine, I was able to notice that I could feel and hear the engine kicking like a cylinder misfiring. The computer gave me error code P0353 (Ignition Coil C Primary/Secondary Circuit Malfunction) consistently, and only a couple of times gave me error code P0500 (Vehicle Speed Sensor Malfunction) which went away.
I swapped the ignition coil and spark plugs around but the error code would persist on the same cylinder. The spark plugs didn't look particularly worn but I'm not experienced on what bad plugs look like. The codes persisted still, but later on P0353 went away, and the obvious kicking stopped but it still ran with a lack of power and hesitating on acceleration along with a strong smell of fuel in the exhaust. I measured the resistance of each fuel injector and all measured the same. I removed and flushed each of them with cleaner, but same situation.
What do you think? I don't get the bad cylinder code anymore but something is clearly wrong. Bad fuel injector? Bad wiring harness? Bad compression or head gasket (maybe from the movement of the engine while the torque strut was bad)? Hopefully not the computer... And could the loud noise be related to this problem or is that probably just a cracked exhaust from when the torque strut was allowing engine movement?
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I have a 2005 Hyundai Sonata 4cyl. and have a misfire problem with the 1st cylinder. I've had it pressure checked and there isn't a problem with the cylinder, such as a ring or warping problem. I've replaced the wires, both boots, both ignition coils and the plugs twice. I was told I need to replace the ignition coil again but I wonder if there is something that is making the coil go bad. I've also replace the throttle position sensor and both O2 sensors. I had the front catalytic converter replaced because it was bogging down and very slow. It still runs rough and the check engine light is on. I was told also that I need to replace the engine speed sensor. I bought the car in Oct. of 2004 and only has 68000 miles on it.
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I have a 4 cylinder, 2002 Nissan Altima with about 170,000 miles on it. About 2 months ago, the car starting misfiring while driving and the engine light came on. I went to autozone, used their diagnostic tool and it said I needed to replace the fourth cylinder's ignition coil. I ended up just replacing the spark plugs at that point. After replacing the spark plugs, the misfiring seemed to stop, but the check engine light was still on although the car ran great in comparison.
Then, about 2 weeks ago, the car started smelling like gas and slightly misfiring again. I bought set of ignition coils and changed them out. I started it up, the car seemed to work great. I went to the store about an hour later and the car worked better all the way there with no problems. Then, as I was about to leave the store, I started the car up and it started sputtering and misfiring and you could visibly see the engine shaking like crazy when I popped the hood. It stopped shaking, evened itself out, after about a minute. Then, I felt the top each of the coils and the first three were fine, but the fourth had a rapid tapping coming from it that was obviously not right.
I gave it a couple of days, but the car didn't stop smelling like gas or misfiring when starting up, so I pulled out the ignition coils and the spark plugs. The fourth spark plug was brown and burnt from the bottom to the halfway point, unlike the other still-clean spark plugs. My first hopeful thought was, maybe it wasn't tight enough and that was letting gas or oil inside to burn. I tightened it up, put everything back and it seemed to be alright, even the tapping from the coil stopped.
However, within the last couple days, the car has been smelling like gas and feels like it sputters and misfires once I start it up. The misfiring seems to stop after I rev the engine a little bit, but sometimes when I'm idling, you can still smell the gas and sometimes audibly hear a sputtering.
So my question is: what the hell could be wrong? Faulty wires, a stuck valve, bad compression, what? Remember, the fourth cylinder's spark plug was only burnt on the bottom half if that's useful.
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What could be causing the each cylinder to misfire like that? I drive it about 60mi every day and it doesn't seem to drive all that rough. So it's kinda weird that it said every cylinder was misfiring, like how could I even drive it like that?
I heard the oxygen sensor is something I don't have to worry too much about. I could still drive it. The clerk told me to some spray carburetor cleaner on it and that should do something for it.
But recently I've noticed that it starts up rough, seems to strain for about 2-3 seconds then it starts.
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My truck is riding differently. Here's the story - I put new tires on Friday, an hour later, my truck started to ride rough. The light on dashboard is; Check engine, Engine power lost (truck would not get up when this was shown on dash. This error has not come up again), stibilitrac check. Truck's driving performance; Idle sputters (like RPM rising, but they are not, it’s just the engine shaking), once driving when it shifts hard at 3000 RPMs (only 2nd gear). I took my truck to Advance, and this was the error code I received; #6 Cylinder Misfiring and Actuator module.
I changed all spark plugs and number #6 was very dirty compared to the other and smelt very much so like gas. I have not driven this truck only cracked and it stayed in park. I had a person look at it, and he said that the #6 cylinder was the only problem he could find when he hooked up his code thingy. Now he played with everything and took out the #6 spark plug (this is now Tues) and said that it didn't smell of gas like it should have. At the end. he stated that we first should change the Injector for #6. and if that did not correct the problem, then he would recommend the lifters to be replaced. I asked how confident he was about "his" diagnosis. and he stated.... I am not a GM mechanic... wow. now I am confused as to what I should really do! BTW, he never cleared the error codes...
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I have a 2005 Town Car with 40 K Miles.
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Have an 94 LTC and this car runs better.
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The engine sometimes has misfiring, and the VCDS reports "Injector Circuit Malfunction Cylinder 7, sporadically". I changed the spark plug, the injector and the ignition coil. So the problem remained and after about 600-800kms the fault came back. Now I moved a little bit the cables of the injector plug and I noticed that the problem is solved, until a few hundred kms were driven. The cyl. 7 is near front side and I could move the cables to the injector plug under the intake manifold.
Now I know, that the problem is the plug of injector (see pics)....
My question.... I bought the plug but it is not the complete like on the pics, it's only the middle part where the cables go in. It has not this sponge-like thing which is in the whole in which goes in the cable. The grey thing which locks the plug is also not in the new plug. Maybe if I have to exchange this small parts on the new plug? I can't imagine how to change the plug, do I have to cut the cables and put them in the new plug. What kind of attachement do the cables have in this plastic plug?
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