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Old 02-06-2010, 07:39 PM   #1 (permalink)
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Default Suzuki Aerio Issue-Need Help

Hi Guys, I hope you guys can help me, I have a Suzuki Aerio 2006 Manual transmission. The car has behaved very very good untill now. The other day I just cleaned my engine with a solution from Pepboys and a simple garden hose and also flushed my radiator with Preston 50/50, and everything was ok, However, two days later my car started to kind of shake when I stopped at traffic lights like if I had no Gas on the tank, then when I took off the car it lost power for a couple of seconds creating these "Jumps" like if the car was stalling, It doesn't happen everytime and it doesn't matter whether engine is cold or hot. Unbelievable Suzuki Does not find my problem, I've changed Spark Plugs, I've cleaned my Injectors and full fuel injection system, My car has been scanned with Suzuki computers and still no way to be found the issue. What is wrong with my car???? I regreated cleaning my engine and flushing the radiator, If I knew this was going to happen I wouldn't have done Damn it!!
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Old 02-06-2010, 08:31 PM   #2 (permalink)
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Newer engines are nothing like old big blocks you just can't cover up the distributor spray the thing with with a hose and be fine. A little water can get into the worse places and wreak havoc for short periods of time. Yet it sounds like your problem may be your primary o2. I would check your connections, its on your header right before your 1st cat. If it comes lose it will not get a correct reading resulting in the problems you had. IN fact Suzuki released a TSB on experiencing the problems you have due to oil dripping from the filter on the 02 plug.
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2006 sport mind edition Aerio SX MODS INCLUDING AEM Intake, Mandrel Exhaust, Racing Dynamics Engine Comps,NGK Ignition, Custom Engine Electronics, KSPORT COILOVERS!!!!, SWT Strut Bars, Custom Brakes, Custom Transmission, Custom MAF/IAT Tube, 160 degree thermostat, Fujita air filter, MaBo ground wires,... To much to fit check out my car domain http://www.cardomain.com/ride/2349923
For all things Aerio the best forum is http://www.aeriostyle.com/forum/index.php
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Old 02-07-2010, 12:03 AM   #3 (permalink)
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You are getting a short on one of your plugs or water dripped down in your plug hole. Disconnect the coils and make sure they are dry and not CRACKED where the spark can jump and cause that type of problem. Checked your plug gap. Remember, platinum and iridium plugs have a preset gap from the factory and are VERY delicate. Trying to gap them can damage the electrode. Finally, make your plugs are torqued down tight to spec.
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Old 02-07-2010, 07:44 PM   #4 (permalink)
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Default Thanks!

Thank You, I haven't checked those ones. I'll check them and hope this is it because it's been already two weeks since it started happening when I cleaned the engine. It's weird though, because sometimes the car runs like brand new with no problem at all, then two or three days later, the issue comes over again, not lasting more than 2-3 minutes. However it's very annoying and sometimes embarrasing because other drivers notice I'm almost stalling.
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Old 02-07-2010, 07:52 PM   #5 (permalink)
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Quote:
Originally Posted by Devilsword View Post
Newer engines are nothing like old big blocks you just can't cover up the distributor spray the thing with with a hose and be fine. A little water can get into the worse places and wreak havoc for short periods of time. Yet it sounds like your problem may be your primary o2. I would check your connections, its on your header right before your 1st cat. If it comes lose it will not get a correct reading resulting in the problems you had. IN fact Suzuki released a TSB on experiencing the problems you have due to oil dripping from the filter on the 02 plug.
Thanks For your advise, The O2 sensor was also checked by Suzuki, They said that if it would have been the O2 causing issues, then the car would be stalling or having shorts almost always which is not my particular case because my cars runs very well for a couple of days like brand new and then the issues start back again , although they only last 2-3 minutes or sometimes when full throttle. I''ll check the Spark plug cables again or the plug hole like my friend advised me on a recent reply.
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Old 02-07-2010, 09:00 PM   #6 (permalink)
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the reason i said that was because what happen to you was what happened to me. it turned out to be the 02 was loss causing air leak and miss reading. If you are getting a short in the plug you can check at night by popping the hood in the dark and looking for flashes. so i pulled out the dealer manual they also recommend to look at the maf/iat plug for proper connection and being dry. by the way how many miles do you have on your aerio?
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For all things Aerio the best forum is http://www.aeriostyle.com/forum/index.php
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Old 02-08-2010, 07:53 AM   #7 (permalink)
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Quote:
Originally Posted by Devilsword View Post
the reason i said that was because what happen to you was what happened to me. it turned out to be the 02 was loss causing air leak and miss reading. If you are getting a short in the plug you can check at night by popping the hood in the dark and looking for flashes. so i pulled out the dealer manual they also recommend to look at the maf/iat plug for proper connection and being dry. by the way how many miles do you have on your aerio?


Well I have 94,000 miles on it. I got it brand new, I"ll have 4 years with the car on next month March so I do use the car a lot as you may note, I"m not a car expert but I do know the basic and take care of the car by the book. I wish I find the cure soon because I dont want to get rid of the car, I like it because its cute and ver peppy too! By the way your car is hot!!
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Old 02-08-2010, 05:50 PM   #8 (permalink)
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thank you so much for the comment. You know your still under your drivetrian warranty if i where you i would go to another dealer the moment it starts to happen again and don't tell them a thing about you cleaning the engine. but i would check the things i said. it doesn't take much chemical to inhibit transfer of electricity.
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2006 sport mind edition Aerio SX MODS INCLUDING AEM Intake, Mandrel Exhaust, Racing Dynamics Engine Comps,NGK Ignition, Custom Engine Electronics, KSPORT COILOVERS!!!!, SWT Strut Bars, Custom Brakes, Custom Transmission, Custom MAF/IAT Tube, 160 degree thermostat, Fujita air filter, MaBo ground wires,... To much to fit check out my car domain http://www.cardomain.com/ride/2349923
For all things Aerio the best forum is http://www.aeriostyle.com/forum/index.php
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Old 02-09-2010, 07:03 AM   #9 (permalink)
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thank you so much for the comment. You know your still under your drivetrian warranty if i where you i would go to another dealer the moment it starts to happen again and don't tell them a thing about you cleaning the engine. but i would check the things i said. it doesn't take much chemical to inhibit transfer of electricity.
Yeah I know about the warranty but they had said the 7 year warranty or 100,000 miles warranty of power train and drive train means “Engine and Transmission” and the components that transfer that power to the wheels, but would not cover electrical or related components like fuel or plugs etc... That’s so sad from Suzuki; anyhow I have a scheduled visit with an electro-mechanic this Friday so I’m hoping he can fix this mystery* haha! **I’ll let you know if I get it fixed this Friday
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Old 02-21-2010, 04:43 AM   #10 (permalink)
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I have had the same problem as Phoenix and if you read through the Suzuki Aerio/Liana site you will similar happenings to our breed of car.
All of these have gone unanswered on these threads but the problem persists.

Let me explain......

I drive a 2002 RH416 1.6 litre (the correct spelling!) Suzuki Liana (in the UK and Australia, Aerio in the US). I bought it secondhand when it had around 122,000 km on it. I like the car. It has lots of mod cons, air con and is very ecomical. A great little vehicle.

A few months ago, on a very hot day, it developed the often described surging, cutting out, stopping. I let it cool down and managed to limp home. It drove OK for a few days more then repeated the same problems, again on a hot day. Very risky to try and push a dead Liana off the middle of a busy freeway!
The local Suzuki dealer's workshop said that they could find no problem with it. Nothing was found on the ECU computer. Hmm! That left me in a bind. To persist with debugging the problem or getting rid of the vehicle. The car now had about 130,000 km on it.

The problem happened again. I took it back to the dealer and said let us try to de-bug it by a process of elimination. I had the air filter changed. The Inlet Air Temp prob (IAT) was changed and then the dealer suggested that we change the Crank Angle Senser (CAS). The service shop said that they had had like problems with later model (years) of Lianas and that a change of CAS had cured the problem.
I still live in the age of magnetos and distributors but the CAS is the solid state bit of hardware that is bolted into the end of the engine above the alternator.
The crankshaft revolves around the CAS probe. The electromagnetic field is altered and that tells the ECU to inject fuel into the intake manifold and the spark plug to spark to burn fuel in the cylinder to produce power.

Someone please correct me if I have got it wrong!

Changing the CAS was the item that has fixed my problem.

It would appear from looking at comments from other Aerio/Liana owners that most were on or over the 100,000 km mark. It would therefore appear to be a problem with the CAS after that time.
I changed my CAS at a cost of A$143.62 plus labour. The CAS p/n was
SZ3322080G00. I have had no problems with the vehicle since the change.

I am of the view that Phoenix has the same problem and that a change of CAS would be in order. The engine should have dried out after two days of being run. In my opinion the problem Phoenix had was not related to water in the engine bay .

But wait, ... there is more!!!

A business friend owns a fuel injection shop. After all the above I mentioned my woes to him and the reply was .. 'Oh sounds like a Liana CAS problem'. It would appear that he had sold a few non-Suzuki CAS units to Suzuki owners to fix the subject problem. The part that he sold was listed as part number 36128 and is produced by Mitsubishi. It is used in several small vehicles.
It may have a different Mitsubishi part number.
Like a lot of genuine and non-genuine parts there are corresponding parts listings for both the genuine item and the so called non-genuine item.
The replaced Suzuki CAS and the spare CAS p/n '36128' are identical. While a solid state item my Fuel Injection shop owner said that they can still break down or even the wiring jack or pins fail with time and heat. I have now opted to hold a spare CAS in my car and also a Cam Angle Sensor spare' p/n '35028'' in case either takes a holiday while I am on the open road. They can then be replaced on the highway by a good spanner man.

I hope this helps a few fellow Aerio and Liana owners. Sometimes the problem can be easier to fix if we all share our collective knowledge.

Cheers

DP.
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