Car

Ask a mechanic online and get answers to your car questions

Connect one-on-one with {0} who will answer your question

Related Car Questions
I have a 2012 audi A6 quattro 3.0l supercharged I had an
I have a 2012 audi A6 quattro 3.0l supercharged I had an issue with misfire code for cylinder 5 turned out to be a fuel injector issue. I replaced all six injectors plugs and coils. Now cylinder 3 is … read more
Eric
Eric
Retired
N/A
35,256 satisfied customers
Po301 switched coil around plugs around and injector. 2004
Po301 switched coil around plugs around and injector. 2004 2.3 it only mis fires after is warm. I gear or with heat or air on. … read more
Edward
Edward
Professional at Justanswer.com
Associate Degree
3,807 satisfied customers
No 1 cylinder not firing replaced coil and injector took old
No 1 cylinder not firing replaced coil and injector took old plug connected it to the coil and ground it get fire put it back on to speak plug on no 1 cylinder no fire … read more
Roy
Roy
shop foreman
Associate Degree
4,891 satisfied customers
I have changed the spark plugs and the number three coil
I have changed the spark plugs and the number three coil because it was running rough and nothing has changed. The coil has a spark and the spark plugs are brand new O E replacements. … read more
Todd M
Todd M
Owner
ASE Certification
1,905 satisfied customers
I have 2006 Nissan Titan has the p0304 changed the ignition
I have 2006 Nissan Titan has the p0304 changed the ignition coil, the fuel injector did a tune up new spark plugs can't figure it out changed the engine room harness cause it was giving me the p2138 t… read more
Gary
Gary
Gold Certified Technician
Vocational, Technical or Trade School
2,160 satisfied customers
2003 sierra 2500 hd 6.0 gas Sle: Hi i have 2003 gmc sierra
Hi i have 2003 gmc sierra 2500 hd 6.0 gas Random misfire po300and knocking noise Truck runs strong After 60km then engine light flashes constint Coils plugs fuel filter done cleaned maf code went away… read more
Technician Chris
Technician Chris
Vocational, Technical or Trade School
366 satisfied customers
Isuzu Rodeo sport: Have an 02 rodeo sport v6. Had P0300 code.
Have an 02 rodeo sport v6. Had P0300 code. Replaced plugs. While doing so, found that previous owner had coils on 2 and 6 reversed. Fixed. Still same code when accelerating. Mechanic ran diagnosis and… read more
Gary
Gary
Vocational, Technical or Trade Scho
15,858 satisfied customers
97 astro: rotor..o2,egr and throttle body sensor about to give
97 astro multiple misfire code somtimes only cyl4 changed cap checked plugs rotor n coil just checked distributor drive gear all good has compresson checked valves no obvious issue while running check… read more
Gary
Gary
Vocational, Technical or Trade Scho
15,858 satisfied customers
2000 lincoln ls: coils..injectors spray..fuel pressure at rail good
my 2000 lincoln ls has a bad missfire with all new coils , sparkplugs , fuelpump and filters, all injectors spray good,engine compression good ,fuel pressure at rail good,engine light on running rich… read more
Amedee
Amedee
Former ASE Master Tech
Vocational, Technical or Trade Scho
2,597 satisfied customers
2003 mazda mpv: v ehicle to sputter on acceleration..van
Type your car question here...what would make vehicle engine light come on and v ehicle to sputter on acceleration on a 2003 mazda mpv van.had vehicle checked at autozon efor codes they said maybe clo… read more
Lil Hammer
Lil Hammer
Master technician/state inspector
High School or GED
193 satisfied customers
2003 Suzuki Aerio: error codes..spark plugs..fuel injectors..speeds
Have an engine misfire on a 2003 Suzuki Aerio. Have hooked up an OBD2 analyzer, no error codes. I have changed out spark plugs, fuel injectors, ignition coils, camshaft sensor, and still get a misfire… read more
CDNRobb
CDNRobb
Vocational, Technical or Trade Scho
62 satisfied customers
1994 b4000: misfires..Fuel pressure is right in the middle
1994 b4000 it has multiple random misfires. New plugs and wires. Fuel pressure is right in the middle of the pressure ranges. Ignition control module and coil tests good. #4 cylinder does not seem to … read more
Jon Pell
Jon Pell
Bachelors
153 satisfied customers
p0303..lift..put a new coil in on the pass side 1st and 2nd cyl ??
Iam geting po301 and p0303 and p0316 codes I am not sure which cyl is #1 lift side or right? I have put a new coil in on the pass side 1st and 2nd cyl ??… read more
Ivan
Ivan
Automotive Instructor
Bachelor's Degree
4,857 satisfied customers
code PO304[MISFIRE cylinder # 4]..COIL..AGAIN...I USED a motorcraft
CODE PO304[MISFIRE CYLINDER # XXXXX] I HAVE CHANGED THE COIL & PLUG 3 TIMES FIRST TIME IT DID GOOD FOR 2 MTHS. THE LAST TWO TIMES A DAY OR 2. IT IS MISSING AGAIN. TWO OF THE TIMES I USED A MOTORCRAFT … read more
Larry
Larry
Technical Editor
Bachelor's Degree
718 satisfied customers
2000 Cadillac Deville DTS: the coil assembly..dealer says..miss
Is there a way to check the coil assembly on a 2000 Cadillac Deville DTS? Shows a PO305 or PO300 code. #5 cylinder misfire. Cadillac dealer says it's a plug or coil bad.Car has had the miss for awhile… read more
GM Tech (Cam)
GM Tech (Cam)
Auto Service Tech
Vocational, Technical or Trade Scho
682 satisfied customers
ford: Code reader..coil..) still runs rough and engine light came
I have an ''05 ford E350 that is misfiring. Code reader say''s misfire in cylinder 2. I changed all spark plugs and coil on cylinder 2 ( #2 spark plug was burned pretty bad ) still run''s rough and en… read more
ZZDaryl
ZZDaryl
Lead Auto Tech
Some college and advanced training
11,480 satisfied customers
Driving down..diagnostic..misfire..the fuel injectors, and spark plugs
my car died when i was driving down the road and it will not start back up, when have a diagnostic and it says random multiple misfire..we changed the fuel injectors, and spark plugs n wires and it di… read more
Larry
Larry
Technical Editor
Bachelor's Degree
718 satisfied customers
2001 Pontiac Grand Am GT: scan tool..tune..spark plugs..fuel injector
I have a 2001 Pontiac Grand Am GT, my service engine soon light keeps coming on. I hooked up the scan tool and it read a misfire code PO303 ,engine misfire detected, in the 3rd cylinder so i gave it a… read more
mrrowland1
mrrowland1
Co-Owner/Az Mobile Reflash and Diagnosti
Associate Degree
164 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

The nearest Volvo dealer is 160 miles away. Best $15 bucks I have spent in a long time!

Paul MCorpus Christi, TX

< Previous | Next >

Meet the Experts:

Chris (aka-Moose)

Chris (aka-Moose)

Technician

57,789 satisfied customers

16 years of experience

Ted G.

Ted G.

ASE Certified Technician

1,769 satisfied customers

20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness

George H.

George H.

ASE Certified Technician

1,570 satisfied customers

ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist

GM Tech (Cam)

GM Tech (Cam)

Auto Service Tech

682 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Amedee

Amedee

Former ASE Master Tech

2,597 satisfied customers

ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector

Jerry

Jerry

Master Mechanic

2,181 satisfied customers

ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager

Richard

Richard

ASE Certified Technician

1,017 satisfied customers

12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x