Camry :: 2002 4cyl Ride Rough And Die On Idle - Engine Misfires
Oct 11, 2011
After a long trip from Houston to Dallas, my vehicle started to ride rough and eventually die on idle. It seems to idle fine, but then die after the first minute. I am getting code P306 and others all dealing with random misfires and misfires on ALL cylinders. The troubleshooting steps I have taken so far to no avail are:
(1) Replaced spark plugs with pre-gapped iridium
(2) Checked ignition coils
(2) Checked all vacuum hoses and air intake leaks
(3) Changed air filter(not a big deal)
(4) Removed and cleaned the throttle body with carb cleaner thoroughly
(5) Checked the intake manifold for leaks and did not find any.
(6) Computer PCM checked for updates and issues at dealer
The dealer said it needed new fuel injectors, which seemed kind of fishy due to the following symptom:
The car runs GREAT at highway speeds, but it is unable to maintain an idle for an extended period of time and dies due to misfires. I hear a chugging in the engine sometimes.
Due to these symptoms, I self diagnosed this as a fuel regulator?
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I have a 2002 Camry SE (V6) with approx. 180K miles. The Engine mounts were shot so I decided to change them. I am a reasonably qualified mechanic (FAA Aircraft Mechanic) and perform most my work on my cars so didn't think this would be a big deal.
My procedure was to jack up front & put frame on jack stands then removed both wheels. Then with hydraulic jack and blocks under oil pan I started by removing all or the three lower engine mount hold down nuts (3 on bottom, 1 on top of each. NOTE: I changed the dogbone first which took 5 minutes.
I then jacked up engine about two inches or so and pulled out each old mount, then lowered engine back down making sure everything lined up as best I could. Then finished by tightening all of the nuts. Done. ....or so I thought.
When I went to start, the engine cranked but with a an unusual vibration and generally rough idle, more noisey than usual. When I drive it shift fine and everything works, just unusual vibration and noisey inside car.
I also used my BOSCH code checker and got ZERO CODES.
What is even more unusual is the engine when you are outside the car listening sounds fine. Just sitting inside do I sense the unusual vibration and noisy idle.
I checked for loose vacuum hoses, anything obviously pulled loose, etc and found nothing.
Again the car started and idled fine before the engine mount change now starts kind of rough and is noisy [inside car] but quiet outside.
nothing really changed except the moving of the engine block up and down to get the old mounts out.
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I have a 2006 Chrysler Sebring Convertible 2.7L engine. Replaced water pump and spark plugs. We triple checked the alignment on the chain and are sure the timing is fine. Car started right up. Now running rough idle and engine light comes on. Codes read misfires on 1, 3, and 5 cylinders.
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Just picked up my 02 Camry, I drove it up from Fla, after driving it about 250 miles or so the CEL comes on, car drives fine, getting 34mpg at 78mph Stopped for gas unhook battery cable (reset the computer) light is now off Drive the car about 250 miles or so no light, stop shut car off, once we restart the car & get going about 5 miles it pops on again? Drives fine, runs fine, drove until next fuel stop and same procedure all over again light stays off for 250 miles or so then as soon as I shut off and restart it pops on about 5 miles after I get going? The car has 62k miles on it, good clean oil & temp never get hot at all.
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My mother's 2002 Camry with about 60K on it has been starting hard lately. No check engine light has come on. I did a full tune up hoping the problem would be solved but no luck. The car cranks a lot before it fires. First thing in the morning it cranks more than it should, starts, and then she gets a little smoke out of it. The rest of the day it cranks a lot before firing. I'm assuming that it is a fuel system issue because if she turns the key to the run position and waits a few seconds, the car starts up normally. Sounds to me like the fuel is draining back. What controls the fuel from draining back to the tank in a 2002 model with a 4cyl, the fuel pressure regulator, fuel pump, or something else?
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Just purchased a 2002 Camry for my son to drive to school. The car has 275,000 highway miles on it The car was well maintained by the previous owner. I have heard that the timing chain should last about 300,000 miles. However, the owner's manual does not mention any replacement interval. Since the cars mileage is approaching 300k, I'm wondering if the chain needs to be replaced. The engine runs great. However, I do hear a bit of a rattle from the timing chain pully area. I replaced the valve cover gasket and inspected the chain but didn't notice anything unusual. I have mainly driven import cars with timing belts and not sure if this rattling noise is normal for a Toyota with a chain or an early sign of needing replacement.
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So my 2002 Camry XLE V6 with ~132,000 miles has a little bit of a rough idle. It sounds like it's "breathing". It'll be rough for a second, smooth for a second, rough, smooth. It's not super rough where my steering wheel is really vibrating, but definitely noticeable. The RPM hovers around 500-600 and doesn't really fluctuate. On Sunday, the following was done with a friend:
- All 6 spark plugs with DENSO SK20R11
- OEM PCV valve, grommet, and hose
- OEM Air Filter
- OEM Cabin Filter
- OEM plenum gasket
We didn't do the head gasket and manifold gasket to save time and there was absolutely no oil on the coils or plugs. The car was very well maintained by the previous owner and by me since I got it at ~102,000 miles.
The car seems to surge sometimes. I'm not sure if that is the right word. Say if I turn left up a hill and hit the gas, the engine RPM will kind of surge up and then it'll shift. It's audibly noticeable. It's not smooth, but maybe it's just because it's a hill, I'm not sure
The idle seems about the same since before we did the plugs, which I thought doing the plugs would work. It almost seems like it might be worse and the MPG might be worse, but that may just be in my head.
Could it be the front motor mount? Maybe we should have cleaned the throttle body while we had it open.
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2005 gti 1.8t having really rough idle and misfires at idle fine while driving pulling codes:
P0300
P0301
P0302
P0304
Unplugged MAF and didn't make a difference...
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I have an 03 vr6. I'm getting codes p0300, 0303, and 0304. I changed the plugs and the coils and still has changed nothing. In the morning when I first go to start the car it has a rough start and idles rough. But after letting it warm up it is fine. It drives perfectly fine, no misfires. None of this started happening until the car ran hot a few weeks ago. Did a compression test and everything came up fine. So would could my issue be? I'm at a loss here. I was thinking fuel issue but if it was a fuel issue, wouldn't it run rough all the time?
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I changed all of the brakes on her car yesterday, test drove it, everything was great. Put close to 100 miles on it w/ no issues. Therefore, I don't think it's anything I did.on her way to work, the CEL came on. The car has a rough-ish idle, and jerks slightly in low RPM. I went to Pep Boys and got it read. it threw 8 codes:
P0171
P1130
P0300
P0301
P0303
P0305
P0442
From what i've read, the p0171 is the system is running too lean and p0442 is a leak somewhere. The 300s are cyl misfires.I don't want to go replacing every conceivable part. What these codes mean in conjunction?
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My wife has a 2002 Camry V6 SE with about 75k miles. Over the past 6 months the car has developed a problem. Every so often, say once every 2-3 weeks the car will start fine, but after driving for about 5-10 minutes, will start running rough and stall if I stop for a light. It will start again, (with a little effort) and will stall again at the next stop and so on. I can pull off the road, wait 10 minutes and the car will then run like a Swiss watch until the next episode.
I have taken the car to a respected mechanic and he sees nothing obvious wrong and there is no record in the car's computer of any problem. The last time this happened the car had been on the road for about 20 minutes before the stalling problem occurred. I kept the car going at idle by putting in neutral and increasing the throttle.
After we arrived home, the car cut out when we made it into the garage but a rotten egg-like smell was in the air in the garage. After about an hour, the car stated immediately and ran like a top. That was about a week ago and no problems since. I have read in the threads about EGRs Throttle bodies etc.
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I have 11 tiguan 2.0T. When I start it up is runs rough below 1200 rpm. The check engine light starts flashing. The codes are all 4 cylinders for random cylinder misfire. When I go drive it around the roughness calms down but doesn't go away and the idle will start jumping up and down. It goes to 1500 back to 800. Then 1700 back to 800. It had even hit 2400 once. I have changed the pcv about 2 months ago. I checked it and it looks fine. One place said maf. I cleaned it and no change. Running out of options.
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This is my brother's 02 SE. 140k miles. 4cyl. He claims that the car is beginning to idle rough when he is stopped at a stop light and the AC is on. If i replace the spark plugs should that do it? I'm pretty sure it doesn't have spark plug wires cus that's what my dealer parts dept said. Motor mounts were replaced around 70k if that matters. The vibration is directly related to the AC being on.
I am also going to replace the serp. belt because there's a belt squeak when the motor is cold.
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2002 Toyota Camry
2.4 V4
My car has developed a rough idle when stopped and when accelerating. When I got the CEL, I had the codes read at Advance Auto.
The codes are P0301, P0302, P0303, P1349.
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It's a 2004 V8 Touareg with 100k miles.
Getting horrible misfires and they're jumping around to different cylinders + other intermittent codes. The symptoms are ROUGH idle, and hesitating/shaking under acceleration.
The MIL has never come on in this car. But, it illuminates when you turn the key forward. (Almost like previous owner coded the light out?)
Replaced all 8 spark plugs, just ordered 8 new ignition coils. Hoping the misfires are the coil packs but obviously theres some other stuff going on here.
Pulled codes 2 weeks ago:
1) random/multiple misfire (P0300)
2) misfire cylinder 4 (P0304)
3) misfire cylinder 8 (P0308 )
4) warm up catalyst efficiency below threshold bank 2 (P0431)
5) secondary air injection system insufficient flow bank 1 (P0491)
6) secondary air injection system insufficient flow bank 2 (P0492)
7) 02 Sensor Circuit Slow Response Bank 2 Sensor 1 (P0153)
Pulled codes 1 week ago:
1) random/multiple misfire (P0300)
2) misfire cylinder 2 (P0302)
3) misfire cylinder 3 (P0303)
4) 02 Sensor Circuit Slow Response Bank 2 Sensor 1 (P0153)
Pulled codes tonight:
1) random/multiple misfire (P0300)
2) misfire cylinder 2 (P0302)
3) misfire cylinder 3 (P0303)
4) misfire cylinder 4 (P0304)
Cleared codes. Swapped ignition coils from 2 & 3 with 7 & 8. Drove around the block, then re-ran them:
1) random/multiple misfire (P0300)
2) misfire cylinder 4 (P0304)
3) misfire cylinder 5 (P0305)
4) misfire cylinder 6 (P0206)
5) misfire cylinder 7 (P0307)
6) misfire cylinder 8 (P0308 )
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Ok so I have the 2009 f150 4.6l 2wd. Have random misfire codes. Horrid idle. I replaced all of the spark plugs, coil packs, and even the injectors on 1/3/4. Still codes nothing is better. I'm thinking maybe an intake manifold leak,? I see no real signs but I do hear that little pop pop pop. Now I have a gasket kit for it but I see you can order complete manifold kits with thermostat and gaskets on amazon for like 60 bucks more. The issue is I see none that fit my truck. Is it the same as the mustang? Hate to blow more cash as its adding up.
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I have a 2011 Camry SE with about 25K miles on it. I was pretty happy with my car until I purchased 4 new Michelin Primacy MXV4 tires. Based on overwhelmingly positive reviews, I decided to purchase those Michelin tires. However, as soon as they were put on, the nightmares began.
First, steering wheel started to shake and car felt very wobbly at highway speeds. The ride also felt a lot bumpier and the front of the car (floor, center console, etc) vibrated a lot. I thought, okay, tires probably just needed to be rebalanced. So, I took the car to the shop and had them rebalance the tires. That didn't work, so I took it back again and had 2 other shops attempt to balance them. It got slightly better, but still did the same thing.
Thinking the tires were defective, I had the shop swap them out for 4 new Bridgestone tires. The shaking continued despite having the tires changed but the wobble went away. So, I had them rebalanced 2 more times with the last time being at a shop with the latest Hunter Road Force Touch machine. The mechanic told me he road force balanced it and the machine got it down to 0 with no indication of defective wheel or tires.
After the road force balance, it's gotten a lot better, but I still feel mild shaking/vibration on the steering wheel at speeds > 70 mph on most freeway surfaces (but not all). The floor vibration has also gotten a little better, but remained, and the ride is still bumpy.
I took my car to 2 different dealers and told them the situation. Both of them said nothing was wrong with the suspension or struts, nor were any mounts broken.
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I have a 2010 Camry Le with the 2.5 4cyl. What I'm trying to diagnose started in the last 2 weeks, the engine just seems like it's lost some power overall but there is no unusual sounds coming from the engine and it has not triggered and codes. I have checked the simple stuff like the air filter and plugs but am not sure where to turn next.
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2002 V10 72k, starts fine, runs fine, occasionally misfires and will stall at idle. So far.
Replace boots
Replaced Air Filter
Tested resistance in all coil packs all within value
CODE P0720 - OSS (replaced, knew it wasn't it but...)
Seafoamed truck (very anticlimatic)
Cleaned MAS
Headed to clean IAC next.
Still has the original plugs, any reason to change them yet?
Does the IAC have a function when engine is at temperature? Getting ready to bite the bullet on AE. Any first hand experience with AE? I STFF and couldn't find anything.
I'm about 90% convinced it's a bad COP, but I'm not about to buy 10 of them on I think. Also not inclined to switch each COP with a known good one. I'm hoping the AE will show misfires and pending codes.
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Friend of mine drives a 2008 Camry with 2GR FE engine, with 65 000 miles. When the engine is cold it runs fine but when is fully warm it idles low, in D or R at around 560-600 rpm. When he shift from P to R or from N to D, the idle goes down, not up like it should. The spark plugs are new, air filter is new. No CEL.
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2003 Camry 2.4L 4cyl
I noticed my engine light turned on. I went to Autozone to hook the car up to the computer. The computer printed out the code P0420. My coolant temp is normal. What can this code mean. The car has over 126,000 miles.
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