Nov 15, 2011· Have replaced all plugs, all coil packs, MAF sensor, Sea Foamed twice and still no luck. For my car, this starts in the morning with rough idle which throws the CEL. It will go away for a couple of days every now and then, only to return for several months at a time. Other than rough cold starts for the first few minutes, the car runs great.
Sep 22, 2018· On more detailed inspection, he observed that at the base of the ignition coil wire boot, there was clearly a small hole burned through by the spark plug. And this is what caused a cylinder misfire issue. In his case, to repair the issue, he said he could either switch the whole coil pack or simply buy and replace the wire boots.
Oct 07, 2010· Been a lurker here for some time - driving a 2002.5 24v VR6 GTI. Last night I had the CEL flash - drove 2 blocks home very slowly and did some research here. Is there a reason that the 3 cylinders would all begin misfiring at the same time (if in fact that's how it happened)? I'm just trying understand how the car went from running well to running like **** and suddenly misfiring.
Apr 22, 2015· Yes check your coils and also the wiring for coils that model has a problem of the drying out and cracking especially at the connectors, so if you replaced your spark plugs prior having the misfire issue, you might off triggered it when unplugged it.
Jun 30, 2015· Dry out the spark plug wells and replace any affected ignition coils. Next, inspect the connector C1164 at CHT for water contamination. If the terminals are corroded, rusted, or disintegrated, install a new pigtail and sensor. 3U2Z-14S411-MDB Pigtail connector kit 8S4Z-6G004-A CHT sensor 4M5Z-12029-B Coil on Plug assembly ©, 2015 Rick Muscoplat
Apr 22, 2018· On more distinct inspection, he discovered that on the base of the ignition coil wire boot, there was certainly a small hole burned via by using the spark plug. And that is what brought on a cylinder misfire trouble. In his case, to repair the trouble, he mentioned he might both change the whole coil % or simply buy and exchange the wire boots.
Jul 13, 2016· I just fixed my nissan 2004 nissan sentr 2.5. Car was running on 3 cylinders at times and i got the worst code you can get the CAT po420. Dealer wanted $1000. If you got the codes above or even the po420 CAT. just replace all 4 coils and the spark plugs yourself. araparts has all 4 coils for $95!!!! Don't get ripped off by the dealer
Dec 28, 2016· 2006 Cadillac STS P0302 & P0306 Codes. What are some possible reasons that I would be getting these codes besides faulty coils on #2 & #6 cylinders? How can I trouble shoot it? Posted by Doug Cason on Dec 28, 2016. Want Answer 1. Clicking this will make more experts see the question and we will remind you when it gets answered.
Mar 14, 2019· 1) Since this is a waste spark system (2 cylinders fire at the same time) and only cylinder #1 ever failed, I ruled out the Coil pack. I guess it could have been the #1 boot, but it looked good. 2) I pulled the spark plugs from #1 & 2 (#1 looked good), checked the gap and swapped them. Drove the Jeep and after about 150 miles the code popped again.
Nissan Sentra Service Manual: P0300, P0301, P0302, P0303, P0304 Misfire. Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P0300, P0301, P0302, P0303, P0304 Misfire. DTC Logic. It might cause to damage the ignition coil
Oct 07, 2010· Been a lurker here for some time - driving a 2002.5 24v VR6 GTI. Last night I had the CEL flash - drove 2 blocks home very slowly and did some research here. Is there a reason that the 3 cylinders would all begin misfiring at the same time (if in fact that's how it happened)? I'm just trying understand how the car went from running well to running like **** and suddenly misfiring.
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Jan 14, 2009· If you replaced the coils already then you either have a valve adjustment issue, a vacuum leak or the injectors are dirty. If you are able you can look at the fuel trim numbers and if the short term numbers are around +20% or higher then either have a vacuum leak or injector issues.
May 29, 2018· DTC P0300 Random / Multiple Cylinder Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire Detected DTC P0305 Cylinder 5 Misfire
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People ask me about misfire codes after they’ve replaced all the spark plug wires, coil, and plugs and they still have the code. Here’s a quick explanation of how a pro would attack the problem. First, if you’re getting a P0300 Random/Multiple Cylinder Misfire Detected code, that would indicate a universal problem that applies to all
Jul 13, 2016· I just fixed my nissan 2004 nissan sentr 2.5. Car was running on 3 cylinders at times and i got the worst code you can get the CAT po420. Dealer wanted $1000. If you got the codes above or even the po420 CAT. just replace all 4 coils and the spark plugs yourself. araparts has all 4 coils for $95!!!! Don't get ripped off by the dealer
Mar 12, 2019· On more distinct inspection, he discovered that on the base of the ignition coil wire boot, there was certainly a small hole burned via by using the spark plug. And that is what brought on a cylinder misfire trouble. In his case, to repair the trouble, he mentioned he might both change the whole coil % or simply buy and exchange the wire boots.
Jan 22, 2012· I have Fault Codes P0302, P0303, P0304 What do they mean. - Answered by a verified Ford Mechanic. We use cookies to give you the best possible experience on our website. I have swapped both the plug and coil from another cylinder, and I still have the miss and same code P030
Nov 14, 2016· I have a 2007 exl 3.5 i bouth it with 134,000 drove it to florida came back everything great after 6 months it started to shake a litle and it gave me a check enguine ligth with multiple misfire all cylinders so i decite to changue spark plugs one of them i hade a litle bit of oil the #3 cylinder so y decide to changue the valve cover gasket it came as a kit replace everyhing changue plugs put
Do not approach to the spark plug and the ignition coil within 50 cm (19.7 in). Be careful not to get an electrical shock while checking, because the electrical discharge voltage becomes 20 kV or more. It might cause to damage the ignition coil if the gap of more than 17 mm (0.66 in) is taken.
Sep 28, 2016· Piston misfiring Check Engine Light P0304 P0302 P0300 P0303. Discussion in '1st Gen. Tacomas (1995-2004) All of the coils, spark plugs, and wiring are less than year old. Compression tests have come back fine. Lotos MIG140 140 Amp MIG Wire Welder Flux Core Welder and Aluminum Gas Shielded Welding with 2T/4T Switch, 110V, Red
Oct 21, 2012· Codes P0300, P0302, P0303, P0304 5.4L triton v8 rough idle, no power Could be spark plugs particularly if it is a high mileage vehicle, but also coil packs, PCM, fuel injectors and so on. The light flashes to alert you that the engine malfunction is causing catalyst damage.
Oct 07, 2010· Been a lurker here for some time - driving a 2002.5 24v VR6 GTI. Last night I had the CEL flash - drove 2 blocks home very slowly and did some research here. Is there a reason that the 3 cylinders would all begin misfiring at the same time (if in fact that's how it happened)? I'm just trying understand how the car went from running well to running like **** and suddenly misfiring.
Apr 13, 2010· What can cause OBD Codes: P0302, P0304 and P0306 What can cause OBD Codes: P0302, P0304 and P0306 at the same time - Kia 2003 Sedona question three in the front with coils on them and three under the cast aluminum cover which is very hard to get off without watching the video. That means three are in the front with coils and three are
Apr 04, 2016· The article supersedes TSB 14-0160 to update the base warranty causal part number ISSUE: Some 2011-2013 F-150 vehicles built on or before 6/15/2013 and equipped with a 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306
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Dec 28, 2016· 2006 Cadillac STS P0302 & P0306 Codes. What are some possible reasons that I would be getting these codes besides faulty coils on #2 & #6 cylinders? How can I trouble shoot it? Posted by Doug Cason on Dec 28, 2016. Want Answer 1. Clicking this will make more experts see the question and we will remind you when it gets answered.
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The next day, I got a P0306 code and cleared it. Day after that, I got the P0306 and P0303, and cleared them. Since my car still drives fine, I'm assuming that it's not actually a misfire. After searching all 3 forums (and pretty much ruling out the coil pack, wires, and plugs), I found a troubleshooting thread for sporadic P030? codes.
Do not approach to the spark plug and the ignition coil within 50 cm (19.7 in). Be careful not to get an electrical shock while checking, because the electrical discharge voltage becomes 20 kV or more. It might cause to damage the ignition coil if the gap of more than 17 mm (0.66 in) is taken.
Sep 03, 2014· If your engine coolant was low then the engine was probably damaged permanently. You should confirm whether this is the case by having the compression test done first, prior to replacing the spark plugs and ignition coils.There is no point in replacing those parts if the engine is dead.
Nissan Altima 2007-2012 Service Manual: P0300, P0301, P0302, P0303, P0304 Misfire P0301, P0302, P0303, P0304 Misfire. DTC Logic . NOTE: When the gap is less than 13 mm (0.52 in), the spark might be generated even if the coil is malfunctioning. Is the inspection result normal? YES >>
Oct 21, 2012· Codes P0300, P0302, P0303, P0304 5.4L triton v8 rough idle, no power Could be spark plugs particularly if it is a high mileage vehicle, but also coil packs, PCM, fuel injectors and so on. The light flashes to alert you that the engine malfunction is causing catalyst damage.
Apr 13, 2010· What can cause OBD Codes: P0302, P0304 and P0306 What can cause OBD Codes: P0302, P0304 and P0306 at the same time - Kia 2003 Sedona question three in the front with coils on them and three under the cast aluminum cover which is very hard to get off without watching the video. That means three are in the front with coils and three are
Jul 12, 2016· What else could it be besides the plugs? How can I tell if it is the ignition coils? (Dang these are expensive) Also, where can I find (online) the wire harness that goes into the coils? I feel as though I have been searching forever, but I can't find the parts online anywhere. 0302, 0303. A few months ago, on startup, the engine would be
From hondasuv:. The P1399 random misfire along with one or more of these codes: P0301, P0302, P0303, P0304 -- indicates a problem with the valves. The B20 engines in the 1997-2001 CR-Vs are known to have problems with valves tightening and then 'burning'.
Aug 18, 2015· I have a Ford F150 4.6 with a 0302 Code pulling up. I have replaced the spark plugs (with proper gap), found 2 vacuum leaks and repaired, and changed the very bad battery, still having issues. At idle it is rough and when I try to get on the gas there is hesitation but at
Jan 31, 2010· As opposed to an individual coil pack or injector. The inside diameter of that intake can make a difference especially if LR thought you were going with a PFC. But then it would have struggled all along. Anyway, it should be 2.60 -2.70" Are those two O2 sensors both before the cat or did the cat end up in between them?