Question about 1992 Chevrolet Beretta

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Misfire bad fuel milage told misfire 3 cyl

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6ya6ya
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Posted on Jan 02, 2017

  • 150 Answers

SOURCE: 2003 chevy venture,cylinder3 misfire

Well you don't say what engine it has. I just had to put a helicoil in the head of a 3.4L 'cuz it had pulled the threads out of rocker arm bolt hole for cyl. #3. Car ran great afterward.

Posted on Feb 19, 2009

  • 635 Answers

SOURCE: bad fuel milage

Tune up engine

Inflate tires to proper air pressure weekly

Drive slower


Posted on Apr 02, 2010

caroldon
  • 17129 Answers

SOURCE: multiple cyl misfire

please check on compression of all the cylinders. IF there is any valve damage this could cause a fault.Please check this out if your fuel and spark are ok.

Posted on Jun 28, 2010

  • 753 Answers

SOURCE: 2000 astro with 4.3 new plugs

sounds like you may have a stuck closed poppet (fuel injector) inside your plenum. No fuel would cause misfire and a lean conditon. Also a vacuum leak in that cylinder would cause a misfire but yoyr spark plug would be fuel fouled.

Posted on Jul 26, 2010

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1 Answer

2004 Sorento began with code P0305, cyl #5 misfire. Inspected and replaced plugs, wires, and coil pack on cyl #2. Repair shop told me cyl #5 injector bad so they replaced. Still has misfire.I suggeste


If you had code P0305, I don't know why they would have done anything to the #2 cylinder but if they have already replaced the plugs, wires and injector; here are a few more items to check:
1) Check connections from ECM. Look for any corrosions or bent/broken pins.
2) Check the fuel line pressure
3) Check the engine compression
4) And if the above are good, then you will probably have a defective ECM

Nov 28, 2014 | Cars & Trucks

1 Answer

Misfire p0303


it means only, that combustion energy on cylinder 3 is weak.
it can be :
bad spark. #3
bad fuel ratio (lean or too rich) #3 (injectors)
bad compression. #3
we find it by doing tests, with simple tools

do you want guess or test?

Apr 05, 2014 | 2001 Jeep Cherokee

1 Answer

What causes a ford f-150 5.4 4x4 misfire on cylinder 3


Well you need spark at the right time, fuel, and compression.
I doubt you have a compression problem, so that leaves spark and fuel.
If the plug is firing, you could have a problem with the injector.

Apr 19, 2013 | Cars & Trucks

1 Answer

2000 GMC Sierra w/4.3 misfire on #2,4 cylinders


If it were low fuel pressure misfire , it wouldn't be cylinder specific misfire #2 , 4 it would be P0300 random misfire . I would think fuel injector's too . When hot they could be breaking down electrically , more resistance . If they tested electrically with a lab scope they would know for sure . Misfire from sticking fuel injector no fuel misfire

Mar 26, 2017 | 2000 GMC Sierra

2 Answers

Suv stalls between 45 and 65 mph, already changed plug, wires, coil, and ran a fuel injectiong cleaner! check engine light comes on and off, reads miss fire cyl 1, 3, 5


Spark plug wires will last 20 years in most cases
Spark plugs never fail to fire,they are replaced at 60,000 miles,
not over 3 years,regardless of milage.
Injector cleaner is useless and a waste of money.
How would 10 oz in a 15 gallon fuel tank fix anything
common sense.

Now you diagnose your drivability issue
Retrieve the code,if any, that set the check light,
proceed from there.

You stated a cylinder misfire,so you already know your problem
Coil pack, Coil -On-Plug,what ever you have on your vehicle.

The stalling is another issue,unless the misfire is so bad that it
spikes the computer,comes back on the TPS Sensor and the vehicle
goes into failsafe and shuts off. Still bad coil issues.

Nov 28, 2010 | 2008 Pontiac Torrent

1 Answer

P0303 and P1300 together (Cyl. 3 Misfire)


CODE P1300 IS MISFIRE DETECTED FUEL PROBLEM. WHICH MEAN 3 FUEL INJECTOR IS CLOGGED UP.HAVE FUEL INJECTORS CLEAN AND CHANGE FUEL FILTER.

Jul 24, 2010 | 1999 Audi A4

1 Answer

Multiple cyl misfire


please check on compression of all the cylinders. IF there is any valve damage this could cause a fault.Please check this out if your fuel and spark are ok.

Jun 28, 2010 | 2002 Chevrolet Camaro

2 Answers

Engine management light is on juddering while driving didnt really want to start on chilly morn batts are ok had new coil leads and replaced spark pugs today pt some stuff in with fuel as well, running a...


if its a 4cyl. replace both coils, they commonly go bad with time and milage, they short out and arc to the valve cover ,also check the timming belt, it may be starting to get ready to strip the teeth off. if its a 6 cyl, after replacing plugs and wires, check the crank sensor, they also go bad with time and milage and can cause misfiring and stalling. hope thats usefull to you..

Oct 14, 2009 | 2001 Hyundai Santa Fe

1 Answer

2003 chevy venture,cylinder3 misfire


Well you don't say what engine it has. I just had to put a helicoil in the head of a 3.4L 'cuz it had pulled the threads out of rocker arm bolt hole for cyl. #3. Car ran great afterward.

Jan 08, 2009 | 2003 Chevrolet Venture Passanger

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