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I have a problem with my 2004 suzuki verona, but the mechanic can not find the problem, he already replace catalysts, spark plug, oxygen sensor (4) sonsor of air flow, ignition coil .and keeps failing and giving diagnosis of missing fire in all 6 cyllinder, could be the car computer??

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  • john stanley
    john stanley Feb 19, 2014

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  • Cars & Trucks Master
  • 40,734 Answers

Misfiring can also be from low fuel pressure and faulty injectors and not electrical alone. Run fault codes instead of guessing and costing money and have a fuel pressure test done on the fuel manifold to check for faulty pump-fuel pressure regulator and filters

Posted on Feb 15, 2014

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emissionwiz
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SOURCE: car idles rough and stalls

Have you checked the EGR valve? it may be leaking, touch it with a wet finger at idle, if it is leaking it will be very hot, the useual cause is either carbon or back pressure transducer problem, another issue may be fuel pressure, have you tested the pressure yet?

Posted on Sep 04, 2008

  • 422 Answers

SOURCE: I have a 1999 oldsmobile

fuel pressure regulator on the fuel rail is probably it or the egr valve is stuck open allowing burnt fuel to flood the intake, im leaning towards the fuel pressure regulator because the o2sensor is probably reading rich or if its reading lean then i would choose the egr valve . good luck

Posted on Aug 26, 2008

daves944
  • 1050 Answers

SOURCE: 2004 suzuki verona 6 cylinder

It should be in the exhaust downpipe, between the engine and the catalytic converter.

Posted on May 10, 2009

  • 293 Answers

SOURCE: Car will not start.Engine turns over but spark plugs willnot fire

I would say replace ignition coil, that might me the problem, otherwise it can be the ecu, which might have some electrical problems not allowing the car to stay running. Good luck.

Posted on Dec 29, 2009

2coolrick
  • 560 Answers

SOURCE: Mass Air Flow Sensor

If you clear the codes and the MAF code is generated again, AND the connector is OK to the MAF, then replace the MAF. Also, be sure your air filter is ok and the air horn (air flow tubing) from the air filter housing to the throttle body is securely connected and has no cracks in the rubber. If ok, replace the MAF sensor.

Posted on Mar 07, 2010

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1 Answer

How many oxygen sensors does a 2004 Suzuki Verona have and where are they?


You would have Four of them. There are Two Upstream for Cylinders 1-3, and 4-6. Then there are Two Downstream for Cylinders 1-3 and 4-6. Look at the rear of the engine and you will see the Catalytic Converter canisters sitting there. There will be a Sensor before and after each Cat with the wiring harness up toward the top of the engine. There is a Sensor for each bank with one upstream, before the Cat and one downstream, after the Cat.

Mar 23, 2015 | 2004 Suzuki Verona

2 Answers

What would cause a 2004 Suzuki Verona quit firing after changing the plugs


If nothing else was removed, did you put the correct spark plugs in it?
Sometimes an off brand of spark plug will cause a problem. I would recommend NGK spark plugs.

Feb 23, 2015 | 2004 Suzuki Verona

1 Answer

06 Suzuki Verona car has 4 oxygen sensors which


quad posted now. 4 times. with no engine stated.
answered 4 times now.
bank 1, is nearest, the crank shaft pulley.

Oct 04, 2014 | 2006 Suzuki Verona

1 Answer

Suzuki verona leaking oil from oxygen sensors located in the calytic convertor


GETTING OIL ON OXYGEN SENSOR YOUR ENGINE BURNING OIL CAUSED BY WORN VALVE SEALS OR VALVE GUIDES.WORN PISTON RINGS.ALSO CHECK THE PCV SYSTEM. MAKE SURE ITS HAS NO RESTRICTION IN THE BREATHER TUBE OR VENTILATION HOSE AT THE VALVE COVER.

Feb 17, 2011 | 2004 Suzuki Verona

1 Answer

2004 suzuki verona check engine light on. Mechanic said nothing was wrong. car stopped accelorating on highway and died. now was told cataletic converter was clogged and blew engine. can this happen. was...


your engine is fine. find a new mechanic.

if the exhaust clogs it just dies. your cat ( converter) probably clogged due to a very rich condition, which was detected by the computer, hence the light. my bet is a clogged fuel injector or a sensor (either oxygen or air flow) failed. this made it run rich and the cat probably melted.

get a new cat installed, have them run the codes.

Oct 06, 2010 | 2004 Suzuki Verona

1 Answer

2004 suzuki verona not starting


check your voltage regulater your coil first

Apr 07, 2010 | 2004 Suzuki Verona

1 Answer

2004 suzuki verona 6 cylinder


It should be in the exhaust downpipe, between the engine and the catalytic converter.

May 10, 2009 | 2004 Suzuki Verona

1 Answer

Oxygen sensor 2004 Verona


you must have a check or service engine light on if any sensor is malfunctioning if no engine light is present then i suggest nothing is wrong!?

Nov 09, 2008 | 2004 Suzuki Verona

1 Answer

Changing Spark Plugs in a 2004 Suzuki Verona car shuts off intermitly


I had the same issue with my 04 Verona. Turned out to be the throttle body. Very common issue as I have had mine replaced 3 times already. I have also read on the Internet that a lot of Verona owners complaining of the same issue.

Oct 08, 2008 | 2004 Suzuki Verona

1 Answer

Change spark plugs


My 2004 Verona had factory installed "NGK BKUR6ETB" regular spark plugs which I replaced at 30,000 miles. The 2005 model year is supposed to have Iridium spark plugs. To replace the spark plugs: 1. Remove plastic top engine cover. 5 nuts 10mm socket. 2. Unplug connector from each ignition coil. qty 6. 3. remove 2 hold down bolts per ignition coil. 10mm socket. 4. remove ignition coil, lifting straight up. 5. Spark plug is now accessible, use deep well 5/8 spark plug socket to remove.

May 15, 2008 | 2004 Suzuki Verona

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