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P0302 Diagnostic Trouble Code Discussion for December 2009

Cylinder 2 Misfire Detected *

Note: This is a professional automotive technician's resource.

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Trouble Ticket Help Requests for DTC P0302

	Help Request	Posted
	1999 Mercedes-Benz C43 AMG 4.3L Hesitation, Misfire VIN: WDBHA33GXF P0302: Cyl 2 Misfire. This one is giving us a headache. This vehicle when cold, will fall on its face under medium to wide open throttle and will not rev up. It will start missing when it is hesitating and turn on the check engine light showing misfires on the right bank. Once the ...	December 01, 2009
	1998 Dodge Grand Caravan 3.3L No Start, Misfire, MIL Lamp on VIN: 2B4GP44G5W P0302: Cylinder 2 Misfire Detected. the customer was driving and the check engine light started to flash after 3 blocks it quit completely and when we got it in we found that the new coil has cracked in the exact same area. wondering if anyone had ever seen this before. I found that we only had ...	December 08, 2009
	2001 Lexus IS300 3.0L Misfire VIN: JTHBD18211 P0302: Cylinder 2 Misfire Detected. Hello technicians, I had a customer bring a car to me for a smog check. After the smog check, the engine light failed, but the emission passed. In test 15 mph, the HC MEAS was 0. CO % MEAS was O.00. NO MEAS was 56ppm. In test 25 mph, HC MEAS was 0. CO was 0.00...	December 10, 2009
	2001 Nissan Frontier SE 3.3L Hesitation VIN: 1N6DD26S91 P0302: Cylinder 2 Misfire Detected. ... wall. No.2 cylinder shows a misfire when in drive or reverse and accelerator is depressed. No faults found in ignition system. Replaced plugs, wires, cap & rotor. Scoped No.2 injector and no problem seen. Swapped No.2 injector with No.3 and yet the sam...	December 10, 2009
	2001 Dodge Grand Caravan Sport 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2B4GP44332 P0302: Cylinder 2 Misfire Detected. ... computer for codes, has p0302 (cyl. #2 misfire). Checked spark plugs and spark wires, they were very old, so they were replaced. Problem still there. Checked compression on all three front cylinders, ok at 175 lbs. Removed upper intake, removed fuel rail. ...	December 11, 2009
	2008 BMW 335i 3.0L Poor Idle Quality, Misfire, MIL Lamp on, WHITE SMOKE, COLD VIN: WBAWB73528 P0302: cyl 2 misfire. Customer cals with "serious check engine light and car running rough and smoking". I scan and find all these lean and misfire codes, engine in safe mode(restricted boost I think)retrieve freeze frame data and clear codes. Start car, idles smooth, no sm...	December 12, 2009
	2002 Subaru Forester 2.5L Misfire VIN: JF1SF63512 P0302: Cylinder 2 Misfire Detected. This one mifires randomly on every cylinder only at idle, just off idle it goes away. Replaced spark plugs and wires-no change. LT fuel trim is at -24 and upstream O2 stays at 1.5V. Replaced oxygen sensor-no change. Checked for vacuum leaks and found none.	December 14, 2009
	1999 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU34E6X TRUCK CAME IN ROUGH IDLE AND MILL ON FOUND ALL THE CODES LISTED ABOVE AND ALSO FOUND THE VACUUM LEAK ALSO THE PASSENGER SIDE HEAD HAS LOUD KNOCKING NOISE THOUGHT WAS THE TIMING CHAIN BECAUSE FOUND THAT IT WAS LOOSE. FOUND TSB FOR CHAIN NOISE AND DID THE REPAIR...	December 15, 2009
	1999 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU34E6X TRUCK CAME IN ROUGH IDLE AND MILL ON FOUND ALL THE CODES LISTED ABOVE AND ALSO FOUND THE VACUUM LEAK ALSO THE PASSENGER SIDE HEAD HAS LOUD KNOCKING NOISE THOUGHT WAS THE TIMING CHAIN BECAUSE FOUND THAT IT WAS LOOSE. FOUND TSB FOR CHAIN NOISE AND DID THE REPAIR...	December 19, 2009
	2006 Ford E-350 Super Duty XL 5.4L Misfire, MIL Lamp on VIN: 1FDSE35L96 P0302: Fault Cylinder 2 Misfire Detected. Hello, Have this truck we installed a jasper 1 month ago,Truck has been running great. Truck gets used for a service truck for an oil company so it is getting used alot. I went into archives and found some problems like this but they were harness problems a...	December 22, 2009
	2002 Honda CR-V LX 2.4L No Start, Misfire, Poor Fuel Economy, MIL Lamp on, Rich VIN: SHSRD68422 P0302: Cylinder 2 Misfire Detected. Hello everyone. The main problem with this vehicle is it runs very rich. So much so that when cold it will soak the spark plugs and not start. I pulled the plugs and let it sit overnight. I did the compression check and re-installed the plugs. It starts and ru...	December 22, 2009
	2003 Nissan Sentra XE 1.8L Poor Idle Quality, Misfire VIN: 3N1CB51D83 P0302: Cylinder 2 Misfire Detected. ... morning, will clear up after a little bit of driving, and the check engine light is on. have not gotten to get it to happen to me. first visit pulled in with no problems, scanned and got p0302 code. pulled plugs to inspect the...	December 23, 2009
	1998 Chrysler Sebring JXi 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 3C3EL55H3W P0302: Cylinder 2 Misfire Detected. I was given car after Apprentice Tech did a Tuneup ( plugs and wires) to fix a misfire. Car has been here two weeks. I initially checked fuel pressure and found no problem it was when I tested and founf that the coil could not produce enough spark to jump a HE...	December 28, 2009
	2005 Cadillac CTS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6DP56765 P0302: Cylinder 2 Misfire Detected. No experience on this engine.Car was towed in 2 weeks ago and would not start, found almost no oil in engine, changed oil and vehicle started and has been running fine since. Now we have a rough idle, with misfire codes on bank 2 and intake correlation code P0...	December 29, 2009
	2002 Saturn Vue 3.0L Misfire, MIL Lamp on VIN: 5GZCZ63B42 P0302: Cylinder 2 Misfire Detected. Found timing belt one tooth off on bk 1 and wrong spark plugs installed. Reset timing belt and installed correct sp plugs misfire still present under load cyl #2-4-6. Ive checked for vacum leaks w/smoke machine and fuel. Ran compresion ckecks cold and hot chec...	December 29, 2009