2004 Suzuki Forenza Logo

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tim moore Posted on Apr 16, 2013
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2004 SUZUKI FORENZA RADOM MISFIRE ISSUES

NEW PLUG WIRES AND SPARK PLUGS REPLACED COIL NEED HELP

1 Answer

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  • Suzuki Master 20,706 Answers
  • Posted on Apr 23, 2013
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Joined: Apr 06, 2013
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Post what engine. some cars have diffr. motors.
the displacement,? 1.8L , 2.0, 2.5, etc. liters.
some have 1 coil some have 4 cop coils.
my guess, is the CEL comes on ,you attach a scan tool and
you get P0300 (random misfire, , ) right? and no other DTC codes.
and what are the driving symptoms.
300s have many causes, not just spark, not in the least.

5 Related Answers

John Jon

  • 1114 Answers
  • Posted on Dec 23, 2008

SOURCE: misfire code on #3 cyl. 2004 Suzuki Verona

I had the same problem I disconnected the battery to reset computer when I was changing my plugs & ignition wires! hope this helps

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Anonymous

  • 1 Answer
  • Posted on Feb 22, 2009

SOURCE: stereo wireing color codes for 2004 suzuki forenza

you are a ******* idiot you+this answer= you are ******* stupid we don't want to know what our best bet is you damn inbred **** we want color codes!!!!! God you are dumb what color means what its like putting the caps back on the right markers in your coloring box with your little books that you cant even color inside the lines cause you are so stupid!!!!!!

Anonymous

  • 1 Answer
  • Posted on Apr 25, 2009

SOURCE: Spark Plugs Replacement

When you look at the engine you should see a black plastic cover over the top, you have to remove the (4) bolts that should allow you access to the top of your motor. You will then have to remove The bolts that are holding your plugwires to the top of your engine. Once removed you will then have to pull up on the wires, you will then see that your spark plugs. Note you will need at least a 6 inch extension to be able to reach the plugs. Good Luck

oneStan

oneStan

  • 617 Answers
  • Posted on Feb 18, 2010

SOURCE: Radiator flush for my suzuki forenza.

For the do-it-yourself kind of mechanic, there is a kit sold by Prestone that will help you back flush the system using an ordinary garden hose. Available at most any auto-parts store, Walmart & such. It has the basic instructions on the container but I'll give you an overview.

You will need a large container to catch the anti-freeze coming out, You could drain it by removing the plug at the bottom of the radiator first , or remove the lower hose & get most of it out & then just flush the remainder, back-flushing is recommended.

There is a piece that fits into the radiator caps position that helps to aim the water towards a container but sometimes you can't use it due to size restrictions & limitations on space & have to catch the fluid with a drain pan as it overflows.

You will need to install a backflush connector "T". You simply cut into one of the 2 heater hoses, preferably the return line, and install that piece using 2 hose clamps to secure it. The garden hose hooks there.

The engine should be cool, you can crack a head or block by drowning a hot engine with ice cold water.

Just turn the water on slowly, once the anti-freeze stops coming out & it's just water, remove the drain pan & recycle what anti-freeze you can. Remember, most anti-freeze is fatal to birds & animals, including large dogs & children, so clean spills or at least dilute it with water until it is not a threat.

once done, drain the system & refill with the mix you prefer for your area, usually not less than a 50/50.

good luck.

dodge_is

Dodge

  • 42 Answers
  • Posted on Feb 25, 2010

SOURCE: I have a 2004 Suzuki Forenza I need to know where

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Here's a PDF containing more information than any normal human could possibly ever need for that transmission:
http://www.anagabriela.ro/Manuale%20...0TRANSAXLE.pdf

Good luck, I hope this helps!

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1helpful
1answer

I have misfire in cylinder 2 on my 4 cylinder 2004 suzuki aerio. swapped coil and spark plug and still misfiring

Then you either have a dead hole (check compression) from an engine mechanical issue or the fuel injector is not being fired by the computer driver IC or the injector or the wiring to is defective.
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Changed spark plug coils and get a po305 code

Do you have a module for coils?could be a bad wire on # 5.
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No power to ignition coil

2004 Suzuki Forenza , so say title.
what engine?, 2.0L or out side usa with 5 engines used.
power to.,.

  1. check fuses yet, that be first. (all electrics that.)
  2. scan it next to see DTC errors related to IGN COIL.????
  3. RTM , the manual is 4 bucks read that yet?


https://suzukipitstopplus.com/Products/1027-2004-forenza-service-manual.aspx

so are you saying there is no spark on all 4 cylinders.
that be first, 1 &4 dead or 2 &3 dead. (coil pack pairs, not with wires scrambled, they most not be connected WRONG)

if only 1 pair fail we have a cure.
if all 4 die, other ,,, see?
tests matter, doing all tests on wasted spark, tells you whats up.
test with 2 spark plugs. new.
shells gounded.
1 and 4
then 2 and 3. pairs.
all 4 fail, or just 1 pair? a key fact. on all wasted spark systems.


if you scan and get DTC shows, cmp dead, ckp dead or
ignitor 1 dead, well, ???? do you>?
coil pack
if pin 2 is 0v, cranking
the fuse EF10 is blown or the pump relay open.

to fix cars like this, you need the book, the schematic,
as seen here.
the ecu fires the hidden coil pack drivers.
if one plug goes open , you lose 2 cylinders
if one HV wire goes open, same.
see?
if one HV wire shorts to ground only THAT cylinder goes dead.

pin 86 is 12vdc cranking
pin 85 , the ECU grounds this pin to send power to the coil pack.
pin 30 is obvious, 12vdc all the time.

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What is the firing order for plug wires 2007 suzuki forenza 2.0 engine

Look at the engine. Just to the right of center is the coil module. 4 spark plug wires plug into it. Look where the wires plug in. In very small writing you will see the numbers (ie: 1342, 1243)
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How to change spark plugs in a 2004 suzuki forenza?

change spark plugs in a 2004 suzuki forenza? google that
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Radom misfire checking firing order to cylinders and coil from crank end

p0300s is random, post the DTC so we dont need to guess.
can be spark
bad injection
or loose cam/chain/belt. what is the question, you never said?
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How do i do a tune up on a 2004 suzuki forenza?

MINOR TUNE UP CHECK ALL ENGINE FLUIDS, INSPECT AND TEST BATTERY,CHECK COOLING SYSTEM, CHECK ALL UNDER HOOD HOSES,CHECK AND ADJUST THE DRIVE BELTS, CHECK AIR FILTER. CHECK THE PCV VALVE, INSPECT SPARK PLUG WIRES REPLACE SPARK PLUGS. IF YOU DOING A MAJOR TUNE UP. REPLACE THE AIR FILTER, REPLACE THE SPARK PLUG WIRES AND SPARK PLUGS, REPLACE FUEL FILTER,CHANGE OIL FILTER AND OIL,INSPECT ROTATE TIRES, INSPECT DRIVE AXLE BOOTS,IF YOU HAVE MANUAL TRANSMISSION CHECK OIL LEVEL REPLACE MANUAL TRANSMISSION IF YOU OVER 30000 MILES ,CHECK POWER STEERING SYSTEM, CHECK SUSPENSION SYSTEM,CHECK BRAKE DISCS, PADS, DRUMS AND SHOES,CHECK BRAKE HOSES.CHECK TRANSFERCASE OIL LEVEL,CHECK AUTOMATIC TRANSMISSION FLUID HOSE.CHECK THE EXHAUST SYSTEM.
1helpful
1answer

What is p0300 mean for suzuki forenza 2004

A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.

Symptoms may include the engine may be harder to start, the engine may stumble / stumble, and/or hesitate, other symptoms may also be present.

A code P0300 may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
Defective computer

For additional details, feel free to contact us here.

I hope this helps and remember that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Jose.
0helpful
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I have 2,004 suzuki forenza 4 cylindre with the code po300 ,no power when i drive

p0300
ramdom/multiple cylinder misfire detected
check the spark plugs and wires.
2helpful
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I have multiple cylinder misfires and no go on the car

try replacing the sparkplugs and hi tension wires. if it doesnt work then you may need an engine overhaul. lets just hope that the 1st option works
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