Question about Toyota Altezza

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I discovered that my altezza 3s-ge engine, has misfiring @cylinder #4, i checked spark and it was there so i don't know what to do?

I even tried to diagnose but the car wasn't picked by the scanner

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: random misfire p0300, cylinder 3 and 4 misfire p0303,p0304

change spark plug wires and check corrosion in the distributor coil

Posted on Apr 03, 2009

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Doug774
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SOURCE: Toyota Corolla 98 Cylinder #1 and #4 misfire

I have power at the coils , have good compression , have you ever seen a crank pickup cause this problem?

Posted on May 09, 2009

  • 1 Answer

SOURCE: ENGINE MISFIRE AND SHAKING

check your wire harness on the top of the engine. Volvo must have bought harnesses from Mercedes. The insulation just cracks and disintegrates, then the wires short. Not good for an ignition system.Once they short It can fry the circuit for that cylinder in the computer. Does not set a code other than Misfire.

Posted on Jun 16, 2009

  • 289 Answers

SOURCE: Misfire on cylinder 4 only when accelerating

coil pack

Posted on May 05, 2010

  • 192 Answers

SOURCE: Took my car to have check engine light checked. It

In modern cars so much can go wrong to indicate an issue and a computer in the car can get confused as to what is really occurring. In most cars a misfire indicates either an incorrect firing order, shorted wires, bad plugs, or bad coil. Since you have replaced the wires and plugs we can rule those out. Im also assuming after the second engine code you pulled #2 plug and made sure it wasnt fouled with oil, was gapped correctly, and reinserted. To produce a sufficient spark for combustion the alternator sends power to a "Coil" which is in reality a storage point that then sends an amplified electrical current down the spark plug wire to the cylinder to fire the plug. If the car is truly misfiring you will notice a rough idle, fluctuating RPM's, and lack of acceleration. If you are experiencing any of these I would look at replacing the coil. If you arent experiencing any of these I would have the code cleared again and complete one drive cycle 100 miles and then have codes read again. If you still get a Misfire error some other causes known to occur with Rio's are fuel filter issues, gas caps, and fuel injector issues. Although rare, these can cause issues with the cars fuel delivery and emissions which can confuse the sensor in the ECU. I would try injector cleaner, replace the fuel filter, and gas cap . If funds are an issue then based on symptoms I would start with injector cleaner first $3, Filter $12, Gas cap $12, Coil $48 to $200+

Posted on Jun 06, 2010

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The speedometer on my 1998 toyota D4 corona premio, 3s engine, suddenly drops when i step on the accelerator with the intention of increasing my speed. when i try to speed up the vehicle almost stops but...


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1 Answer

I have a 1996 RAV 4, but it won't start when the air is damp or it has been raining, it only starts when we've had a few dry days, & although I don;t drive it when started, if it's damp again the


no mileage state, nor from last full tune.
it needs a tuneup this decade.
oldest story on earth (cars) (bad spark)
no ignition parts (high voltage) last the life of any engine,. 300k+
so we do what is called a full tuneup at about 60,000 miles.
also called doing the 60k service point list.
open glove box, take out operators guide, yes, really
turn to the 60k page. bingo.

high voltage breaks down all the insulation,
over time.
all.
even your power company must do this. or BOOM,
Have 2 dead friends from BOOM. 17kv distra. systems.

no engine stated so can not be specific.
my guess, is tghis.
The third-generation 3S-GE was produced from 1994 to 1999.
1996 is a big change year, OBD2
and from Distributor spark to none, at Aug, 1996 they swiched
to the DIS system. with a wasted spark coil pack only.
replace the HV wires, and spark plugs.
end story.

if the scan tool shows, P030x errors. fix X
if x is 2 cylinders it might be a bad coil pack,(last thing to replace)

there are 3 spark systems , at this evolution
Distrubutor with internal coil.
wasted spark coil under TB, with 4 HV wires.
and coil over plugs, later, called COPS, 4 coils.

yours may be wasted spark system with 4 HV wires,. replace them.
show a photo of the engine, and i can ID it. in 1 second.

good luck.

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1 Answer

Number 3 and 4 are not firing from coil on 2002 subaru outback 2.5


its faulty coil.

Get the compression test done on each coil.these will let you know if its faulty coil or not.

=========

It can be issue with spark plugs or faulty spark plugs. Also get the compression test done for cylinders. If any of cylinder shows low compression then required, then that particular cylinder will cause misfire.

Also get obd codes scanned, the error code will let you know which cylinder is misfiring or all cylinders are misfiring.

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For your trouble shooting I suggest you to refer the help oinks below. It has step by step details for many engine misfire issues.

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Click the link below:-----


Ford Explorer Cylinder Misfire?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-cylinder-misfire.html

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Engine Misfire codes on Chevrolet Malibu?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Cylinder 6 Misfire?

http://howtobyme.blogspot.com/2011/12/cylinder-6-misfire.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Ford Explorer 5.0L: Engine Miss?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-50l-engine-miss.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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Can cylinder misfire Damage the Catalytic converter?

http://schematicsdiagram.blogspot.in/2012/02/can-cylinder-misfire-damage-catalytic.html

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Car misfires and error code P0306 and P0303 is shown?

http://technoanswers.blogspot.com/2012/01/car-misfires-and-error-code-p0306-and.html

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Chevrolet K1500 No spark, random misfire

http://repairhelpcenter.blogspot.com/2012/11/chevrolet-k1500-no-sparkrandom-misfire.html

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http://whatisbyme.blogspot.in/2012/05/2004-ford-f150-engine-misfire-and-lean.html

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http://whatisbyme.blogspot.in/2012/04/1995-toyota-ls-misfire-at-idle-or-low.html

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Toyota Corolla: Random Misfire?

http://technoanswers.blogspot.in/2012/04/toyota-corolla-random-misfire.html

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http://whatisbyme.blogspot.in/2012/06/2006-ford-freestar-misfire-on-cylinder.html

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This will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

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