Cadillac - Cts :: 2004 - Check Engine Light Flashes / Codes P0300 And P0303

My 2004 Cadillac CTS 3.6L started running rough, check engine light flashed on and off. Codes P0300 and P0303. The car has about 119000 miles. Could this just be the plugs? The car has been running fine up to today.

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Saturn - Sl :: 2002 - SES Light Has Been On Constantly - Codes P0172 / P0300 And P0507

Saturn 2002 SL1 5-speed. My SES light has been on constantly for about a year (was intermittent before that) with the codes P0172, P0300 and P0507. The car also idle high (2500+) occasionally at stops. My mechanic said it is likely an intake gasket but would need a full diagnostic to determine and that is not a safety hazard to drive but that I am getting less mph. I can't afford to fix it now but I have an emission test due. Is there a way to turn to light in the mean time?

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Golf IV / Jetta IV :: Throwing P0300 / P0302 And P0303 Codes

The car doesn't seem to run that rough.

Replaced coil pack and spark plug wires with parts from O'reilly auto

16684 - Random/multiple cylinder misfire detected

P0300 - 35 -10 - Intermittent

16686 - Cylinder 2

P0302 - 35 - 10 - misfire detected - intermittent

16687 - Cylinder 3

P0303 - 35 - 10 - misfire detected - intermittent

I have searched and browsed multiple websites and threads to no avail. They all seem to be dead ends.

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Passat (B5) :: 2001 - Misfiring - Got Codes P0300 / P0301 / P0302 / P0303?

i have a 01 passat with a v6 in it on 4 motion and im having an issue with soem mis-firing

i pulled the codes. P0300 P0301 P0302 and P0303 which are all saying that there are missfires in cylander 1,2 and 3 and random miss fires.
im also getting a P0340 which is cam sensor A or the right hand bank. problem is i just replaced the cam sensor and when the motor got warm, the code came back. I was told by the previous owner that the car needed a Coolant Temp Sensor....can this be the cause of my mis-fire issue? hear me out.... it only happens when the car is warm so im thinking that the car is warm but the ecu thinks its cold cause its not getting a good signal from the CTS. thus its either advancing the timing as if the motor is cold and cuasing a miss fire or something along those lines. any thoughts?

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Ford F-150 (2004-2008) :: Start / Run Rough For A Second Then Die - Codes P0172 And P0175

First off its a 2006 F150 king ranch with the intercooled roush kit and roush tune. Last couple weeks its progressed from a slight stumble on start up, to now after its been off for a few hours it may start and run rough for a second, or, it may start then die, and then have to crank for at least 5 seconds before it starts. After it starts it seems to run fine. I've thrown the P0172 and P0175 code a few times. I downloaded the torque android app and did some data logging. Can you learn anything from the long term fuel trim?

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Ford F-150 (2004-2008) :: CEL On - P0172 / P01275 / P2106 Codes But Running Fine?

so i had a litle fun in the clay today ..and now my trucks check engine lights on ..i have a code reader im running a P0172 P01275 P2106 Ive cleaned the MAF and changed my air filter...still running the three codes afterwords no trouble with turning over starts right up and drives with a normal amount of power....its a 2004 5.4L V8 ...

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Ford F-150 (2004-2008) :: 2005 2WD - Misfire And Hard Jerk When Going Uphill - Codes P0300 And P0171

I have a 2005 F-150 5.4L 2WD 90K miles. I started getting a misfire and hard jerk when going uphill. No codes for a few days but misfire got a little worse and more jerking at full throttle acceleration or level throttle up a hill got codes p0300 and p0171. I replaced the fuel filter cleaned MAF and changed plugs Motorcraft plugs (none of them broke during replacement). Miss got worse. Missing at idle and no power 3K rmp to get to 40. Only code pulled was p0171. Replaced upstream O2 sensors and COPs. Will barely idle now. Dies when put in gear. Full throttle barely moves forward a few feet just sputters. Checked vacuum lines cannot find anything. Only code I get is P0171. Fuel injectors next? Or shop?

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Ford F-150 (2004-2008) :: 2005 - Smoking White - Got Codes P0174 / P0300 / P0305 / P0306 / P0316?

05 2 wheel drive f150xl 4.2 l 135,000 miles. Smoking white out of exhaust. More at start up but doesn't go away. Turns a little blue. When parked at idle if I bring up the RPM's quick I will get a little puff of black in the white smoke. I can't smell or taste(when I touch my fingers to mouth) any anti freeze in the exhaust smoke but I live in Myrtle Beach and I have little if any anti freeze in the coolant. I flushed the motor, changed oil and filter and added a can of seafoam. I took the throttle body off and cleaned it. I also replaced the air filter because I went down a dirt road and hit a deep water hole. Dirt and mud got into the air filter and by passed it also. This was the reason for the engine flush also. I can't recall any smoke before this. Maybe a puff on start up from moisture not sure. Im going to buy a coil pack and plugs and start from there. I have never had this many codes.

P0174 Bank system 2 to lean P0300 random multipl Lean mil. Missfire detected P0305 random multiple Missfire detected cylinder 5 misfire P0306 cylinder 6 Missfire P0316 Missfire detected on start up first 1000 revolution

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Ford Ranger / B-Series :: 2004 - Rough Idle - CEL With P0303 And P0316 Codes?

I love my Ranger. I'm quite impressed with the power and durability. I'm ticked at Ford for stopping production.

I have searched my problem and could not quite narrow it down. I have also tried several remedies with no improvement. I need to narrow it down to a specific item.

2004 Ranger, 4.0 liter, 4x4, 131,000 miles, runs great above idle.

Problem: rough idle, idles at about 750 rpm's. If i raise the rpm's to 850 and up, smooth as silk.

The truck did this a few years back. Not quite as rough and it went away by itself.

Engine light came on this time with P0303 & P0316 codes. I have replaced: plugs, wires, coil pack. I know that the #3 plug is sparking quite well. the #3 injector is getting signal to spray not sure if it is. I have 4 O2 sensors and I believe I tested them correctly (passed). The passenger side upstream or pre cat sensor has not been tested yet. Had to rent a tool and will do that in morning. I slid a piece of aluminum roof flashing between the crank position sensor and the crank pulley. Not a noticeable difference. While at idle (750 rpm's) I pulled each (#3,2,1,) (one at a time) injector wire plugs off the injectors. No noticeable difference. I pulled the vacuum line off the egg and operated it with a vacuum tool. Seems to be working fine. Sprayed carb cleaner around on vac lines. No engine surge

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Golf V R32 :: Getting Code P0300 / P0303/ P0306 - Misfiring?

Went to do a few things this morning, started the car and it ran like crap. It was an obvious multi cylinder misfire. I checked to make sure all the coil connections and all other visible connectors were tight. Went back around and noticed the mil was flashing, so I shut it down and took the girl's car. I returned later in the afternoon and swapped out my intake in anticipation of it going to the dealer. Started up the car afterward and it ran fine without the mil lit. I had the codes pulled:

p0300 p0303 p0306 Its kind of weird that 2 coils would go at the same time. Do these cylinders share a coil or fuel injector driver off the ecm?

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Ford F-150 (2004-2008) :: 2005 - P0172 Code Keeps Coming On

I have a 2005 F150 Fx4 5.4 that keeps throwing a p0172 code. I've replaced all spark plugs, C.O.P's, fuel injectors, Mass airflow sensor, 1 o2 sensor, checked all vac lines and there ok.

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Passat (B5) :: P0411, P0011, P0300, P0301, P0303 - Misfire / Sputters And Hard To Drive

2002 Passat 1.8T

Backstory. The P0411 code shes had for quite some time. I think probably 4 years maybe. Just never did anything about it because I guess they are expensive to fix. Thats the SAIP and combi valve correct? Anyway to remove all the emissions stuff and get the codes deleted?

So, about 3 weeks ago, maybe a little longer i cleaned her engine bay, replaced a few vacuum lines because the shop she took it to last year did a terrible job. Mind you, they did a head gasket, timing belt and some other minor things while they were in there. And they couldn't take the time you run new vacuum lines, since they just cut the originals and used a bunch of t fittings to "solve" the problem.

Anyway, i replaced the lines and it seemed to run better at idle, still had a little mis at idle but ran smooth at speed. I also did an oil change, put some fuel injector cleaner in it, put some seafoam in the oil, and cleaned the engine bay thoroughly. I did it properly and took all the plastics off, cleaned them, scrubbed the bay and used an air hose to get rid of the excess water. Left in a nice state. Ran smoother, looked better, so on and so forth.

Fast forward to last week, and she mentions to me her car isnt running right. Its sputtering, hesitates, running rough, exhaust is puttering, and it used up a lot of gas. She parked it for a few days, and i came down to look at it. Mind you, i don't have a code reader. So I looked at it blindly thinking it had an ignition issue. Nothing could have changed that quick since i looked at it.

So, today we got one coil(just in case ones bad), and 4 new plugs (Autolite Iridiums). Replaced and gaped the plugs to .030, torqued to 23 ft/lbs and started the car. Seemed to run a bit better, but subsided quickly. I then pulled each coil harness plug to make sure it would misfire on each cylinder and it did. So, new plugs and the coils checked out. Time to get its codes read.

Took it to the Pepboys and the codes it came back with were the P0011, P300, P0301-3. Cleared the codes and they came back nearly immediately. I had the dreaded P0011 code. The misfire codes im guessing were from the coils being pulled on each one, and also due to the P0011. Now i read a lot of threads about the P0011 and how its usually not the camshaft position sensor. However, i pulled the plug on that while the car was running and nothing changed. So i thought it could be the CPS. Changed that out and still nothing.....

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Ford F-150 - 1997-2003 :: Shaking And Idle Bounces Between 500 And 750 - Codes P0172 And P0174

2003 f150 5.4, 4x4 ... Truck is shaking pretty bad, idle bounces between 500 and 750, and its throwing p0172 (rich on bank 1), P0174 (lean on bank 2), and it looks like a misfire on cylinder 8 judging by that power graphy thingy. I'm going to check for a vacuum leak tomorrow on the PCV.

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Ford F-150 (2004-2008) :: Code P0300 - Rough / Low Idle After Timing Set

Just did the timing chain, phasers, oil pump and lash adjusters on my 05 5.4 s-crew. Always had a bit of a rough idle but now it's worse. If the truck idles for an extended period it sets a p0300. Just off idle the misfire is gone. It does seem a touch down on power but otherwise runs great. I did have the plugs out during the work. I cleaned them, applied anti seize and re installed. The previous owner had the plugs and COPs changed 10k miles ago. Plugs are motorcraft and coils are aftermarket.

I monitored with oreillys crappy scan tool and the miss only happens at idle. It is not a dead miss; unplugging COP on each cylinder still makes it worse.

Truck idles warm at like 570 rpm and if I hold my foot on the pedal to raise rpm a bit miss goes away.

Each cylinder is logging misfire counts with no rhyme or reason. The only thing odd during the timing job was 4 spark plugs were partially loose.

I'm sure the timing is correct; I used the OTC crank tool and for timing kit. Truck has 150k, front 02s are fairly new...

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Ford Super Duty (1999-2016) :: Codes P0172 And P0174 / Truck Bucks And Coughs / Zero Power When Driving

I have a 2008 Canadian F250 SD 5.4 triton. Its got 224000km on it and began to get the dreaded 5.4 dieseling when hot and idling. I replaced the timing chains, guides, both tensioners and crank gear. I confirmed the cam timing was correct with the crank key at 6:00 and the chains marks on the R and L. I replaced 2 coils on cyl's 2 and 3. I replaced the MAF sensor, fuel rail pressure sensor, cleaned and confirmed working the crank sensor and both cam sensors. I fixed the broken Bank 2 cam sensor wires. I changed the plugs and replaced all 4 O2 sensors.

Now the truck idles great but when driving it bucks and coughs and has zero power. I cant even get to 80km/hr. The computer now shows codes P0172 and P0174 which means the Bank 1 is rich and the bank 2 is lean. The O2 sensors are working and moving around. The back 02 sensors are both reading in the 0.8Volt range but bouncing around. The front 02 sensors are both moving from 0.1 to 0.8 constantly. The long term fuel trims are +9.5% bank 2 and -4.7% bank 1 at idle. When the throttle is off idle they become +25% bank 2 and -25% bank 1 . How is this possible and what can I do to fix this engine?.

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Ford Excursion :: 2001 V10 - P0303 And P0307 Codes / Misfires On Cylinder 3 And 7

So on Christmas day I turned on my truck and all was well. I had family over and we were going up to my range to do some Christmas day target shooting. I let it warm up for about 20 minutes we then loaded up and headed out.

When I locked the hubs I soon found out my 4WD was not working? Due to the cold? It worked fine last time out and now not at all. I decided to forge ahead in 2WD, Sure enough we got stuck in deep snow. I had to gun the engine off and on to get out and as soon as I broke free (CHECK ENGINE) appeared for the first time ever. Worst Christmas ever!

The truck is running fine, full power and no irregular noise from the engine. So I ran the test and P0303, P0307 misfires on cylinder 3 and 7 appeared. This whole post is about me doing a full tune up this spring the truck is parked since Christmas and will stay parked until I do a full tune up.

New Plugs.
New Wires.
New Coils.
New oil filter and oil. Changed last year with less than 2000 miles but changing anyways.
Flush radiator and add new radiator fluid.
Clean air filter (Aftermarket, It is washable).

Is there anything I'm missing? Also, any tips on figuring out the 4WD issue?

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Ford F-150 - 1997-2003 :: Codes P1518 / P0316 / P0303 And P0136?

I have a 2003 F150 V6 4.2L, 171,000 miles on it. I have four codes on it.

#p1518
#p0316
#p0303
#p0136

I had a p1518 in november of 2012, had it repaired and its back. In the time that I had it repaired and it came back on (maybe a month and a half ago) I only drove the truck maybe 3000 miles, if that. Just curious if this particular part should have some kind of warranty either by the MFG or dealer since the dealer repaired it. Have a limited budget, trying to find out what I can fix on my own in a timely manner.

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Santa FE SM (2001-06) :: Faulty MAF Sensor - Getting Codes P0171 And P0172

Still having problems with my 2.4l 2002 santa fe. At stand still the MAF readings are within range. At 2000rpm it reads 9.3 gm/s. the info I have says it should be between 7.89-9.83.

When driving along at 50mph, 5th gear, engine speed 2000rpm it reads approx. 25.0 gm/s. at 3000rpm it reads 48 gm/s. Is the MAF sensor faulty?

It is now not running very well with fault codes P0171(fuel system to lean) That code comes up whilst driving at speed. I also get P0172(fuel system to rich). I got that one whilst driving slowly in a car park.

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Cabrio :: 2001 - OBD / P1128 / P0411 / P0134 / P0172 Codes Came On

So I didn't pass the smog check for the new used car that I just purchased 10 days ago. Although my old car (same model), was five years older, I never had this problem. I was told that it is a gross polluter. These are the problem that I have to fix:

OBD Fault Codes - P1128 Manufacturer specific codeP0411 Secondary Air inj Incorrect FlowP0172 System too Rich (Bank 1)P0134 O2 Sensor CKT Inactive (Bank 1 Sensor 1)

How this happens?? 2001 VW ...

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