Question about 2005 Suzuki Forenza Wagon

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Check Engine Light

RPM's fluctuate from 3,000 down to stall. No acceleration.

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The usual suspects: O2 sensor, IAC Valve, Throttle position sensor, throttle position switch, fuel damper, or fuel regulator. Last but not least computer.. Please post when you find the solution, I need help with that one also. About to send my computer off for repair, because I have qualified all of the other suspects to be good. to include speed sensor, and flywheel position sensor. O2 Sensor? mounted on the exhaust downstream.

Posted on Nov 17, 2013

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SOURCE: MY SUZUKI G V check engine light came out and engine is kind of

sounds like a dead cylender. check fire, plugs,compression. if all test well could be a partialy clogged injector.

Posted on Mar 09, 2009

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05 Suzuki XL7 wouldnt sart. Then started and idled up to 3000 rpm and back down. Batt light, air bag light, ck engine light, and 4wd flashing. In reverse it accelerated on its own. Depressed gas pedal in...


id go for chicken feet and blood and voodoo , sessions.....loL

first off, i see an illegal fast idle ,
and all A/T trannys do that, when the engine rpm fraks up.
to move car, due to the stall speed rules of the clutch torque converter (aka ,the fluid clutch) wiki clutch stall speed.

that A/T weakness, is why folks run over kids. (the lame excuse)
starting a car with foot off the brake is , folly, thus the lock all outs called park lock features.

i can not follow your sequence of events.so will ask questions.
1: I start the engine, its don't want to but does. (ever tune it up?)

2: Does the CHECK engine lamp go out (CEL/SES)? running.
for sure, if the engines stalls many lights will glow in the cluster but that is normal, see? for any stall.!
The Charge light comes on anytime the Alternator goes dead
or hits near 0 RPM (stalled)
so are you saying at 3000 rpm, the charge lamp came on.
/??????
battery lamp is not battery, its really a Charge lamp.
the op guide states that too.
on my car I have a battery gauge too, and shows VOLTS.
at idle its 14v. its 14v at all rpm. if less, say so.
I have 2004. GV. with full manuals. even factory FSM. ++++++

ok , in drive, no acceleration, are you saying ,
1: im in A/T drive.
2: the engine is idling at 800 RPM hot or near 1500 cold
3000 is wrong, dead wrong, you in ALASKA, state location(gen)

i increase the RPM with my right foot and the car don't move
in DRIVE
as RPM rises above 1500 RPM, you do have a tacho , i see that.
if it does not move with hgher RPMs, the trans is bad or its TCM is bad.
on your car the TCM is hidden deep inside the PCM. back in 1997.

the PCM runs the engine and tranny today.
if something lies to the TCM/PCM the tranny will not go into drive.
on newer 96+ cars, you see the check engine lamp glow.
running (not stalled, stalling this CEL glows all the time)
but running, the CEL glowing means Faults found, scan me,. please.
eg:
so you scan it, and find DTC's stored (many?) eg.... in english...
the transmission selector switch is bad. or worse.
not using a scan tool ,means ($7 cost) means you miss all the facts. hard cold real facts.
the ECU can not shift any car with a bad selector switch.
so throws the DTC error.
it can be even be a loose selector cable, cave man simple.

recap.
does the CEL lamp stay out running at all times.
no, ? then scan it.
do not post car problems with stored, or pending DTCs on any car newer than 1995. or its just wild guessing.. mostly.

Aug 04, 2013 | 2002 Suzuki XL-7

1 Answer

Vibrating noise at 2-3 rpm during acceleration after car warm up.


Is there a way you can Clarify your Question? There is a lot of words that are not meaning anything.. Is 2-3 RPM an accurate comment or are you meaning 2,000 - 3,000 RPM ?

Apr 08, 2013 | 2001 Saturn L-Series

1 Answer

92 honda accord lx auto trans has been shifting around 2,500-3,000 rpm each gear and now the D4 gear does not work at all and D3 works but accelerates slowly after a complete stop. i have to shift down...


check transmission fluid level- run/drive for about 10 min. , park car- check with engine running- add fluid if needed- ,if fluid NOT low- transmission filter needs to be changed

May 10, 2011 | 1992 Honda Accord

1 Answer

When turn on the car in the morning, i accelerate and the revolutions up to 6,000rpm normal. In 3 minute when the car up the motor temperature to the normal operation, i accelerate and the revolutions up...


To begin with, if you are revving a cold engine to 6000 RPM, you are asking for a blown engine. Most OBD vehicles are equipped with a rev limiter that will cut off fuel at 3000 to 4000 rpm to prevent you from over-revving your engine and blowing it up. If yours is revving to 6000 RPM cold, then the rev limiter, for some reason is not working while it is cold. I have no explaination for this. The best thing I can tell you is to stop revving your engine so high when it is cold unless you really want to see what an engine looks like after is has gone off like a grenade.

Nov 27, 2010 | 1996 Honda Accord

1 Answer

I bought a used 1998 Dodge 12 valve Cummins Automatic with less than 100 miles on rebuilt transmission (about 3,000 on it now). It indiscriminately shifts up and down abruptly when no load on the...


the throttle position sensor may be "noisey" causing computer to think your are accel. that unlocks the torque conveter. try a new one
also make sure the brake lights on coming on and off when driving that will do it to.

Apr 04, 2010 | 1983 Dodge Pickup

1 Answer

Engine rpm fluctuate when a/c is on/this problem has been for a while now some tech had played whit the adjustment screw and had the engine idle high 1200 rpm to counter act the fluctuation / now back to...


I am not familiar with this engine. But, if the alternator, PAS and AC are being driven by the same belt, then its possible that the belt is too slack, have you checked the belt tension ? That would be my first step. Hope that helps

Feb 02, 2010 | 1998 Kia Sephia

1 Answer

Engine bk firering & lose of compression.


Backfiring after warming up can be from many things.

One that comes to mind is carbon deposits on valves, causing them to not close properly. The carbon deposits would also heat up and then ignite air/fuel mixtures before the spark plug can fire.
Or you would have hot exhaust gasses leaking back into the cylinder on intake and that would ignite the fuel.

Tac gauge fluctuating, and engine running rough on acceleration could be a vacuum leak, do you hear a hissing sound when the engine is running? listen closely under the hood. If you have a vacuum leak you would lose power and your RPM would fluctuate oddly. As for the backfire however, there are probably more than just one problem. Its hard to say for sure.

So please, more details, noises you hear, when exactly everything happens etc.
What speed and RPM the engine begins to bog down at, does it stall? What range is ur tac fluctuating at? anything you can think of, throw it on there.

Hope this helps you

Apr 24, 2009 | 1998 Nissan Pathfinder

1 Answer

Jeep erradic in shifting


Check the adjustment on the brake switch. If the brake switch is not seated properly it will engage when hitting bumps and tell the tranny to come out of overdrive.

Feb 13, 2009 | 1999 Jeep Grand Cherokee

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