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P0303 Diagnostic Trouble Code Discussion for September 2008

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2002 Ford Ranger Edge 3.0L Misfire, MIL Lamp on VIN: 1FTYR14U22
P0303: Cyl. 3 misfire detected. Ranger came in with a check engine light that only comes on while driving on the highway. Misfire cyl. #3 is always set. Test driving feels like secondary ignition problem. Get the truck up to 55 mph, let it lock up and then gently accelerate. It will start to...
September 01, 2008
2006 Ford E-150 4.6L Misfire, MIL Lamp on VIN: 1FTRE14WX6
P0303: miss fire cyl3. ... complaint the sometimes the engine will begin to miss fire and the check engine light will flash. At the time he brought it in there was no problem, I did find DTC"S P0300, P0305, and P0303, I replace the ignition coils on...
September 05, 2008
2000 Ford E-150 Econoline 4.2L Poor Idle Quality, Hesitation, Misfire VIN: IFTNE242IY
P0303: Cyl. 3 misfire. hello everyone. need some help on this headach. van was towed in. tried to start but wouldn't, just turning over. pushed it in the shop. was told it just shut off while idleing. checked fuel pressure, 40 psi. checked for spark. fine there. tried to start, and ...
September 08, 2008
2000 Toyota 4Runner SR5 3.4L Misfire VIN: JT3HN86R8Y
P0303: Cylinder 3 Misfire Detected. pressure test heads and surface heads. keeps cracking # 3 spark plug, replaced 4 spark plugs and one injector on # 3 cylinder, didi leak down test, please help !
September 08, 2008
2000 Ford E-150 Econoline 4.2L Poor Idle Quality, Hesitation, Misfire VIN: IFTNE242IY
P0303: Cyl. 3 misfire. hello everyone. need some help on this headach. van was towed in. tried to start but wouldn't, just turning over. pushed it in the shop. was told it just shut off while idleing. checked fuel pressure, 40 psi. checked for spark. fine there. tried to start, and ...
September 15, 2008
1997 Honda Accord EX 2.2L Cuts out, Misfire, MIL Lamp on VIN: 1HGCD5667V
P0303: Cylinder 3 Misfire Detected. the car runs good "while driving" four 20 minutes then will not go past 4200 rpm. in any gear and sets misfire code even though you do not feel misfire. have cleaned egr, checked for restricted exhaust, fuel pressure and volume are good, replaced dist....
September 15, 2008
2002 Hyundai Sonata 2.4L Misfire, MIL Lamp on VIN: KMHWF25S62
P0303: Cylinder 3 Misfire Detected. we thought timing belt was the main problem, however after returning the car to the owner, the same problem occured again with all codes returning but code p0340, we retested and replaced spark plugs, flushed injection system and throttle body, maf sensor. the...
September 16, 2008
1998 Dodge Avenger 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4B3AU52NOW
P0303: Cylinder 3 Misfire Detected. Recieved car from cust detailing prev repairs, typical 2.5 story idles rough mil on stalling etc. Pulled misfire codes and one for 4-2 shift(? havent dupl that one) and rich code po175. Checked data stream found iat reading [...], pulled it all carboned up and...
September 17, 2008
1998 Dodge Avenger 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4B3AU52NOW
P0303: Cylinder 3 Misfire Detected. Recieved car from cust detailing prev repairs, typical 2.5 story idles rough mil on stalling etc. Pulled misfire codes and one for 4-2 shift(? havent dupl that one) and rich code po175. Checked data stream found iat reading [...], pulled it all carboned up and...
September 19, 2008
2000 Ford F-150 XL 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZF1728Y
P0303: Misfire Cylinder 3. Customer started it up in the morning - ran fine to work and then just coming from work problem occurred(Misfiring; rough running; low power) so he drove it to my shop from there. I scanned it with a Snap-On MT2500 - Had Random cylinder misfires and all but nu...
September 19, 2008
2004 Dodge Durango SLT 4.7L Misfire VIN: 1D4HB48N94
P0303: Cylinder 3 Misfire Detected. Thanks for taking time to help w/this mess. Have dead mifire concerns. Found cyl#3 only affected cylinder (no change if spark/fuel removed). Found the following: -Have injector pulses -Have coil pulses Coil very white/chalky. No change w/new. -Compression 120p...
September 22, 2008
1996 Plymouth Voyager 3.0L Misfire, MIL Lamp on VIN: 2P4FP2537T
P0303: Cylinder 3 Misfire Detected. ... following codes stored in the computer. p0203 [...] stored in pcm. I proceeded to check the following and found no problems. Fuel pressure, primary and secondary ignition was good. Vaccum was within specs an no leaks found that would cause a misfire. I the...
September 22, 2008
1996 Plymouth Voyager 3.0L Misfire, MIL Lamp on VIN: 2P4FP2537T
P0303: Cylinder 3 Misfire Detected. ... following codes stored in the computer. p0203 [...] stored in pcm. I proceeded to check the following and found no problems. Fuel pressure, primary and secondary ignition was good. Vaccum was within specs an no leaks found that would cause a misfire. I the...
September 23, 2008
2004 Ford Escape XLS 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1FMYU92154
P0303: cyl 3 miss. thanks in advance, this vehicle had been driven for a while with the original issue of miss and back fire. when it came in it had the left hand cat and under car cat restricted along with bad front o2 sensors and flooded spark plugs. after fixing these issues ...
September 25, 2008
2001 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GX48S51
P0303: Cylinder 3 Misfire Detected. howdy folks, i have one i can't shake. 01 jeep cherokee 4.0 a/t. fuel pressure was at 65 psi, changed regulator and now at 50 psi as spec. engine repeatedly trips po300,301,302,303 at idle. engine runs perfect above idle, perfect fuel trim, perfect injector p...
September 26, 2008