Random Misfire Questions

1997 Pontiac Transport Repair Problem with 137000 miles

I did a head gasket job on a 1997 Pontiac transport 3.4L engine and once I put everything back together the car starts but it's misfiring/...

Asked by briangsanoval about 11 months ago - 5 Answers

2003 GMC Sierra Repair Problem with 240000 miles

03 gmc sierra 5.3, showing codes po171 bank 1 too lean, and po300 random/multiple misfire , pulled plugs and drivers side plugs are black ...

Asked by richard1983 about 12 months ago - 1 Answer

2004 Cadillac SRX Noise Problem with 160000 miles

I have a 2004 SRX AWD V6 and I hear a loud rattling noise when I start driving at low speeds and when I come to a stop from a low speed. I ...

Asked by mstonya610 about 1 year ago - 1 Answer

2006 Chevrolet HHR Engine Problem with 60000 miles

I am have a Random Misfire and this is part of my troubleshooting process. I wish to locate, inspect, & possibly replace the following...

Asked by FallGuy2005 about 1 year ago - 5 Answers

2002 Chevrolet Suburban problem with 120000 miles

it happended all of a sudden while driving with no signs of any problem, engine stall, wouldnt start, after sitting engine start but would ...

Asked by southbayrun about 1 year ago - 3 Answers

1997 Honda Civic Engine Problem with 175000 miles

First off, I want to let you all know that the car was running with a half-dead cylinder to begin with. However, it was driving decently. ...

Asked by Masowai about 1 year ago - 11 Answers

1999 Lexus GS 300 Engine Problem with 166 miles

199 Lexus GS300. Failed an Emission test and the results were; P0300: Random/Multiple Cylinder Misfire detected. P0305: Cylinder 5 ...

Asked by Eli3000 about 1 year ago - 1 Answer

2000 Isuzu Trooper Electrical Problem with 190000 miles

Have had this since it was at about 160K. Check engine light always on. Temporarily fixed when dealt with a clogged egr valve. Has always...

Asked by mailegray about 1 year ago - 7 Answers

2004 Chevrolet Monte Carlo Drivetrain Problem with 123000 miles

I can hear/feel it misfiring when it does it. It is semi-random when this occurs. It seems to happen most when I drive for 1-2hours shut it...

Asked by njdangerous1 about 1 year ago - 1 Answer

2002 Pontiac Grand Am Electrical Problem with 170000 miles

When I am at a stoplight, the car shakes rough for about two seconds and then the shaking stops. I feel like its some sort of electrical ...

Asked by sonigal24 about 1 year ago - 5 Answers

2006 Ford Taurus Repair Problem with 115107 miles

My check engine light heteros coming on, and saying cylinder misfire.I paid a repair shopfor a tune up.however I think they may not have ...

Asked by amandajackson1983 about 1 year ago - 3 Answers

2004 Chevrolet Colorado Engine Problem

The truck: stock 04 Colorado z71 2wd Stock motor: l52 3.5l 5 cyl 143 k miles The replacement: stock 08 llr 3.7 5cyl 13k miles (per ...

Asked by xkmacx86 about 1 year ago - 12 Answers

2001 Toyota Camry Engine Problem with 148000 miles

My 2001 toyota camry is not accelerating smoothly with the check light blinking non stop,changed all the plugs,all plug wires and the coil ...

Asked by Agbedia Sonny about 1 year ago - 1 Answer

2010 Hyundai i20 Engine Problem with 15000 miles

The car has developed a misire on cyl 3 no other codes only p0303. Swapped the sparkplug around also swapped with a working Ht lead from ...

Asked by Dutrio about 1 year ago - 8 Answers

1997 Dodge Dakota Engine Problem with 260000 miles

For the past 4 months my truck has had problems stuttering to a stall while driving and idling. After it has stalled, I sometimes had to ...

Asked by hukoro about 1 year ago - 3 Answers

2005 GMC Yukon Engine Problem with 105000 miles

I have a 2005 Yukon XLT 1500 I have been getting code 300- multiple misfires for some time and sometimes I get misfires showing on #7 only...

Asked by endabuser about 1 year ago - 3 Answers

1997 Toyota Corolla Repair Problem with 157000 miles

My car wasn't starting and I had the distributor, spark plugs and wires replaced, I got the car back but in less than a week the car ...

Asked by rasbajan about 1 year ago - 8 Answers

2001 Chrysler Town and Country Electrical Problem with 150000 miles

I have changed the oil oil filter spark plugs and wires and coil pack what else can fix it

Asked by m.ford56 about 1 year ago - 1 Answer

2004 Hyundai XG350 Repair Problem with 130000 miles

My check engine light is on and I'm getting code PO 446 Evaporator Emission System Vent Control Circuit. I researched the internet and ...

Asked by rbonner045 about 1 year ago - 1 Answer

2007 Jaguar X-Type Engine Problem with 30000 miles

Hi , previously i had an oil leakage and i fixed it . after 2 weeks , car makes a popping sound and gone into limp mode , replaced ...

Asked by m3gtr8 about 1 year ago - 6 Answers

2006 Chevrolet Colorado Engine Problem with 63236 miles

Engine light came on in my 2006 Chevy Colorado. Stopped at auto parts store, they hooked up OBD scan, 2 codes came up u1064(lost ...

Asked by zazz about 1 year ago - 1 Answer

2006 Chevrolet Colorado Engine Problem with 63236 miles

All details were in my question

Asked by zazz about 1 year ago - 1 Answer

2007 BMW 328xi Electrical Problem with 57345 miles

I have a 2007 bmw328i automatic. car dies out and restart ok, here are the codes, P0302(cyl#2 misfire), P1415(the manufacture spec ...

Asked by banyou about 1 year ago - 2 Answers

2004 Chevrolet Silverado Electrical Problem with 101000 miles

I have a 2004 chevy 5.3t ext. cab 4x4. I am getting a number 7 misfire code. I changed the Coil on cylinders 3 and 7 ...3 cleared up, and 7 ...

Asked by broncbuster35 about 1 year ago - 4 Answers

1996 Toyota Corolla Engine Problem with 266000 miles

Hi, I have a 1996 Corolla having misfire issues. I have been changing parts hunting for the fix and no luck so far. Changed EGR,IAT sensor, ...

Asked by ski23 about 1 year ago - 2 Answers

1996 Toyota Corolla Repair Problem with 266000 miles

Had a Mechanic scan map etc and everything seems to be working properly

Asked by ski23 about 1 year ago - 1 Answer

2001 Saturn L300 Drivetrain Problem with 144000 miles

Hi, my L300 has a few issues, but the most problematic at this point is that it won't start. Some days it will, some days it won't. And ...

Asked by kcatlady about 1 year ago - 12 Answers

1997 GMC Sierra Engine Problem with 220000 miles

Acts like points bad on old car. Really bad when cold. changed plugs and wires. Gives random misfire code.

Asked by lylebus about 1 year ago - 3 Answers

2002 Toyota Solara Engine Problem with 11600 miles

The diagnostic codes are different each time and this vacuum part is making alot of noise so I wondered if it could cause false readings and...

Asked by Tammy73 about 1 year ago - 4 Answers

2006 Pontiac G6 problem with 94000 miles

My check engine light came on yesterday when i read it today i got 3 codesP0050 - H O2 S Bank 2 Sen 1 Heater CircuitP0300 - Random/Multiple ...

Asked by fusiong6gtp about 1 year ago - 1 Answer

2009 Chevrolet Optra Engine Problem with 80000 miles

In the engine fine accelaration

Asked by slem about 1 year ago - 1 Answer

1995 Ford F-250 Engine Problem with 16700 miles

Failly new Valve cover gaskets

Asked by farmuseonly5610 about 1 year ago - 4 Answers

2001 Ford Expedition Engine Problem with 145000 miles

Cyl 1 misfire, random misfire, left bank lean . runs rough through out a trip anywhere. i have changed all the plugs with motorcraft plugs ...

Asked by little time about 1 year ago - 1 Answer

2000 Chevrolet Astro Engine Problem with 156000 miles

At first after filling up tried to get up to highway speeds, check engine light started flashing until I let off gas pedal. Showed P0300 ...

Asked by bikerhal27 about 1 year ago - 2 Answers

1997 Ford Aerostar Engine Problem with 61000 miles

I have been fighting an issue with random misfire codes and lean bank 1. the random misfires are from p300, and or most all cylinders they ...

Asked by ldis43 about 1 year ago - 3 Answers

1998 GMC Sierra Engine Problem with 200000 miles

This happened suddenly, the truck went from having great power and smooth idle. to: rough idle and it feels like the truck is missing on 2 ...

Asked by muzzleflash120mm about 1 year ago - 14 Answers

2000 Suzuki Vitara Engine Problem with 152000 miles

Having serious problem with check engine light coming on with 2000 suzuki, grand vitara 2.5L 4WD. SCAN TEST CODE SHOW: DTC DETECTING ...

Asked by GENE5 about 1 year ago - 1 Answer

1997 Buick Lesabre Engine Problem with 85000 miles

P0300 random misfire

Asked by cam854 about 1 year ago - 1 Answer

1998 Chevrolet Cavalier Engine Problem with 136151 miles

I replaced coil and pack, plugs and wires on 98 cavalier. It still misfires so bad it dont want to start. At first I drove it while it was ...

Asked by 1life about 1 year ago - 2 Answers

1995 Ford Explorer Engine Problem with 170000 miles

I have a 1995 Ford Explorer 4X4 Eddie Bauer Edition. It is idling around 550-600 RPM's in Park and Neutral and 475-500 RPM's in Reverse or ...

Asked by Justin Adair about 1 year ago - 5 Answers

2000 Chevrolet S-10 Engine Problem with 127395 miles

Code p0300 2000 Chevy s10 2.2 2wd 5 speed...but passed smog with this miss.

Asked by art 559 about 1 year ago - 1 Answer

2000 Ford Taurus Engine Problem with 125000 miles

Taurus Idle Problem: 2000 Ford Taurus SEL, V6, 3.0L (182 CID); DOHC, automatic, 125,000mi. When engine is ‘COLD’ (morning startup ...

Asked by jmruperto about 1 year ago - 7 Answers

1999 Hyundai Elantra Engine Problem with 82000 miles

Hi I have a 1999 Hyundai Elantra. I baught it 3 years ago from a family after the owner had passed away he supposedly was sick and had this ...

Asked by pbuma about 1 year ago - 1 Answer

1997 Pontiac Grand Prix Engine Problem with 220000 miles

Have a 97 pontiac grand prix 3.8 vin k car starts fine ses light on but runs fine shut it off and restart and runs rought ses light flashes...

Asked by whobedar about 1 year ago - 1 Answer

1997 Mazda 626 Electrical Problem with 200000 miles

The car died on me on the highway, got towed, it was trying to start but is acting like its not getting gas and the battery was low. changed...

Asked by shane j about 1 year ago - 3 Answers

2010 Holden Other problem with 1700 miles

Number 1,3,5 is working but not 2,4,6 not firing

Asked by brucey 78 about 1 year ago - 3 Answers

2006 Mitsubishi Lancer Evolution Engine Problem with 45000 miles

The vibration is constant but gets much worse when the turbo spools. Sluggish exhaust noise as well.

Asked by Colin333 about 1 year ago - 3 Answers

1988 Oldsmobile 88 Engine Problem with 200000 miles

We've replaced EVERYTHING underneath the timing cover, the spark plugs, spark plug wires, coil, computer, new radiator, new TPS, New ...

Asked by iamsobored about 1 year ago - 1 Answer

1998 Ford F-150 Engine Problem with 145000 miles

4x2 extended cab.automatic. Nothing special.

Asked by Slayer4127 about 1 year ago - 1 Answer

1997 Mazda 626 Electrical Problem with 200000 miles

It died on me on the interstate, tried to restart and acted like battery was dead, charged up the battery and still wouldnt start. got it ...

Asked by shane j about 1 year ago - 1 Answer