Question about 2006 Suzuki Forenza

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RPM's very high when driving and stay there

I have and 05 Suzuki Forenza that has been high idling and the RPM's are at 3 or 3500K and stay there while while im driving. The dealership has reset the computer and put in a new wiring harness and it's still not working properly. They say that they don't know whats wrong with it. Any suggestions? Thanks! :)

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  • 186 Answers

The intake gasket blow out and create a vacuum leak. When it cold get a can of carb cleaner and spray it lightly around the intake gasket if you hear the engine change it's running condition then eather the intake has failed or an injector O-ring has failed.

Posted on Aug 03, 2009

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Posted on Jan 02, 2017

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2006 Suzuki forenza. sometimes it takes a long time turning engine over to start. when it does start, the tach revs up to 4 and won't slow down. when you shift the car into gear, it shuts off. when it is...


bad idle, and surges.
gets better, does that mean it idles at the correct regulated RPM
HOT? 800.?
and does the engine coolant hit 180 to 200 F and hold there.?
Sounds like the ISC valve is stuck open, clean it.
ISC means, idle speed controls.
also air leaks, vacuum leaks can do this on speed density, EFI.
Im not sure which EFI you have, too lazy to look that up.

which engine do you have, and what country, ?
as a mech, i open hood and look, on the net , i cant do that.
so.... no real help

Sep 11, 2013 | 2006 Suzuki Forenza

2 Answers

Car jerks sometimes when going from P to R


It's the transmission sensor. I've had mine replaced three times now. You can fix it (see this thread: http://www.suzuki-forums.com/suzuki-forenza-reno-forum/35284-transmission-range-sensor-all-you-need.html) and please report it to Suzuki at 1-800-934-0934

Jan 22, 2013 | 2007 Suzuki Forenza Sedan

1 Answer

I have a 2008 mercury Milan with nearly 60k miles on it. When I come to a stop the rpm drops by 1000 then recovers quickly. What should I do to fix the problem? Any suggestions will be greatly appreciated.


Check out related help links to troubleshoot these problem:----Click the link below:---Idles Fine but RPM jumps in drive mode? http://technoanswers.blogspot.in/2012/07/idles-fine-but-rpm-jumps-in-drive-mode.html
---------Mitsubishi Lancer rpm needle bounces? http://technoanswers.blogspot.in/2012/02/mitsubishi-lancer-rpm-needle-bounces.html
--------How to adjust rpm on 2009 dodge charger SRT8?


http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
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Engine cuts out at 3000 RPM? http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html

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Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

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High rpm in neutral? Inconsistant high RPM in neutral? http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

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Jetski Sputters and Low RPM? http://whatisbyme.blogspot.in/2012/07/jetski-sputters-and-low-rpm.html

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Fuel Injection Problem And RPM suddenly increases http://whatisbyme.blogspot.in/2012/07/fuel-injection-problem-and-rpm-suddenly.html

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2005 Toyota Highlander: Engine runs hard RPM below 3000? http://whatisbyme.blogspot.in/2012/05/2005-toyota-highlander-engine-runs-hard.html

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1987 Toyota Camry: RPM Drops going Up hills? http://whatisbyme.blogspot.in/2012/05/1987-toyota-camry-rpm-drops-going-up.html

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Cruise Control stops working, Excessive cranks to start the engine and RPM goes max 2500 http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html

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1990 Toyota 4Runner: Engine cuts off when reaches 2000 RPM?


http://whatisbyme.blogspot.in/2012/05/1990-toyota-4runner-engine-cuts-off.html

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1999 Toyota Camry: Erratic stalling and high engine RPM at idle?


http://whatisbyme.blogspot.in/2012/05/1999-toyota-camry-erratic-stalling-and.html

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

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Lexus RX: Tapping noise under Valve Cover At Low RPM? http://technoanswers.blogspot.in/2012/04/lexus-rx-tapping-noise-under-valve.html

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These will help.
Thanks.

Nov 22, 2012 | Cars & Trucks

1 Answer

Driving on the road the RPM goes higher wituout speedind


Check out related help links to troubleshoot these problem:----Click the link below:---Idles Fine but RPM jumps in drive mode?http://technoanswers.blogspot.in/2012/07/idles-fine-but-rpm-jumps-in-drive-mode.html
---------Mitsubishi Lancer rpm needle bounces?http://technoanswers.blogspot.in/2012/02/mitsubishi-lancer-rpm-needle-bounces.html
--------How to adjust rpm on 2009 dodge charger SRT8?


http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
---------
Engine cuts out at 3000 RPM?http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html

---------

Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

---------
High rpm in neutral? Inconsistant high RPM in neutral?http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-----------
Jetski Sputters and Low RPM? http://whatisbyme.blogspot.in/2012/07/jetski-sputters-and-low-rpm.html

--------
Fuel Injection Problem And RPM suddenly increaseshttp://whatisbyme.blogspot.in/2012/07/fuel-injection-problem-and-rpm-suddenly.html

----------
2005 Toyota Highlander: Engine runs hard RPM below 3000?http://whatisbyme.blogspot.in/2012/05/2005-toyota-highlander-engine-runs-hard.html

---------
1987 Toyota Camry: RPM Drops going Up hills?http://whatisbyme.blogspot.in/2012/05/1987-toyota-camry-rpm-drops-going-up.html

-----------
Cruise Control stops working, Excessive cranks to start the engine and RPM goes max 2500 http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html

----------
1990 Toyota 4Runner: Engine cuts off when reaches 2000 RPM?


http://whatisbyme.blogspot.in/2012/05/1990-toyota-4runner-engine-cuts-off.html

------------
1999 Toyota Camry: Erratic stalling and high engine RPM at idle?


http://whatisbyme.blogspot.in/2012/05/1999-toyota-camry-erratic-stalling-and.html

---------
1995 Toyota LS: Misfire at idle or low RPMhttp://whatisbyme.blogspot.in/2012/04/1995-toyota-ls-misfire-at-idle-or-low.html

-----------
Lexus RX: Tapping noise under Valve Cover At Low RPM?http://technoanswers.blogspot.in/2012/04/lexus-rx-tapping-noise-under-valve.html

----------
These will help.
Thanks.

Nov 22, 2012 | 2008 Toyota Avalon

1 Answer

Why does my suzuki 05' use a lot of gas


is it running ok? everyone drives different so i would need more clarification. do you have a heavy foot? Try changing the air filter

May 23, 2011 | 2005 Suzuki Forenza

1 Answer

Where coul i find the air intake cover for my 05 forenza? Any aftermarket dealers?


When buying aftermarket parts, I prefer to shop at Car-stuff.com - however I always recommend going to a dealership.

May 07, 2011 | 2005 Suzuki Forenza

1 Answer

What causes the suzuki forenza engine to idle fast its a 4 cylinder with a 1.6 engine


It may be an idle sensor or you need to adjust your idle setting. It may be getting to much fuel also. Does it do this all the time? Sometimes, the map sensor can cause it to idle high as well.

Mar 05, 2011 | 2006 Suzuki Forenza

2 Answers

I have a 2005 suzuki forenza.. I loose coolant like its nothing no signs of leak.. Low rough idle..I replaced the plugs and wires and 02 sensor Engine light flashes at idle and stops flashing but remains...


Check your oil----is it very high? Put a piece of cardboard under your car overnight, see if you have any leaks externally. If not, then you have an internal leak, which indicates a blown head gasket.

Oct 21, 2009 | 2005 Suzuki Forenza

2 Answers

How do i increase the idle on a 2007 Forenza


The idle speed is controlled by the E.C.M.
It is not adjustable. Attempting to do so will void your warranty. Take your vehicle to the nearest Suzuki dealership to have your concern properly diagnosed. Suzuki does not share certain technologies such as E.C.M. reprogramming and T.C.M. reprogramming with aftermarket repair shops.

Oct 17, 2009 | 2007 Suzuki Forenza Sedan

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