Question about 2002 Suzuki Aerio

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My 2002 Aerio (J Series) was stalling when it was hot outside, say above 95 degrees. I replaced what appeared to be the distributor on the front of the engine. Has not been hot enough to know if that corrected the problem or not but now when driving it sitting at a light or just ideling it seems to want to cycle the AC on and off when running and almost cuts off which it was not doing before. Seems a little sluggish when hitting passing gear but other than that runs well. How do you set the timing or is that what is wrong ? please help, have spent over $600.00 in this car in the last 30 days and need it back running ASAP. Thanks

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  • Suzuki Master
  • 1,051 Answers

Sounds like you need to set the idle on the engine. You may be hearing the electric cooling fan kicking on and off and not the ac. If the timing was off the car would be sluggish or backfire when you step on the gas. Hope this helps.

Posted on Apr 10, 2017

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Posted on Jan 02, 2017

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pakis
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SOURCE: 1990 suzuki sierra - stalling,

Yes your snorkel should have the right size for air to come-in, hope you have the right diameter, but snorkels will not seriously affect your vehicle substantially.
It could be that your fuel system is dirty. I would go for having those carbs cleaned but before you do this, I would advise you to clean your gasoline tank of rusts, water then blow those fuel lines with air to declog, change your fuel filters, if you do a lot of offroading, put two(2) fuel filters, first filter goes just above the gas tank, beside the chassis, the second will be place before your fuel pump, inside your engine compartment. have those fuel pumps cleaned too, check for leaks and moistures on your fuel hose and lines. if you have done all these, and nothing happened, check for strong sparks on your plugs, it could be that they ready fouled up.and check on your igniton coil,

Posted on Nov 24, 2008

  • 2 Answers

SOURCE: lack of power and speed.

Do you have any other modifications such as larger tires? The 1.3L engine puts out enough HP and Torque to run the stock size tires, but if you go up to a 31" or larger you will loose the ability to use 5th gear except for downhill runs with a tailwind. The stock carb is just too restrictive and is designed for fuel economy and low emissions.
If you do have stock wheels on it then the stock carb should be able to turn them. The problem may not be in the carburator body itself though. If any of the vacuum lines, solenoids, vacuum switches or EGR on the carb are defective or not hooked up correctly the Little Hitachi carb will not function correctly.

If you don't live in a state that has CARB emission standards then you should go with an aftermarket carb and a set of headders. The Webber is a popular and very easy replacement. Opening up the exhaust to about 2" with a set of headders will allow it to breath well and still have enough back pressure to give you low end torque.

Posted on Dec 27, 2008

  • 4 Answers

SOURCE: 03 suzuki aerio automatic transmition won t shift into overdrive

You have two temperature lights that come on when you start the car, one red and one blue. After the car is started the red light goes out and the blue one stays on. According to the manual, (and from my personal experience with my '03 SX), the car needs to warm up to a proper operational temperature. This temperature is reached once the blue temperature light turns off, (or within seconds afterwards). If you don't allow your car to warm up you will notice hard or long shifting, rough idle, and poor engine performance. Never drive your car if the light displays a constant red temperature light.
If this solution does not work see a Transmission expert of take it to your local Suzuki Dealer.

Posted on Jan 07, 2009

  • 2 Answers

SOURCE: Transmission or Engagement issue?

I had the same problem with my 2006 Forenza - the problem was the transmission range sensor. If you look under the hood, on the drivers side, you'll see your trans. cable connected to a round part that also has an electrical cable coming from it. That is it. Part costs $36.07 at oemsuzukiparts.com (search for Neutral safety switch in the mechanical catalog).


Posted on Aug 22, 2009

  • 2 Answers

SOURCE: SUZUKI AERIO ENGINE CUTS OUT ,JERKS AND SURGES ON

I have a 1.6L Liasna/Aerio. 2002.130,000km.
Recently it had a problem, a problem that I seem to see on other websites.
The vehicle was cruising on the highway and suddenly jerked, surged, and cut out. Another case was when it was stopped at the lights and the RPM faded to a cut. Accelerator application would not keep the rpm up.

The common factor in all four cases was that it was a very hot day. Temp was 32-35 degrees C, (around 95 degree F).

I let the vehicle cool down and then got a restart and limped home. Sometimes had a repeat enroute. A dangerous exercise, having the engine cut on a busy highway!

The vehicle then started and ran on cooler days without a murmer.

The local Suzuki shop had a look at it but nothing showed up on the inbuilt computer!

After a fourth incident I took it back to the Suzi shop and this time the service rep said that they had had a few other Liana's come in with the same problem. These vehicles were with the later larger engine, the 1.8L M18A.
The problem it would appear was the CRANK ANGLE SENSOR. A bit of solid state kit it costs about A$100 and is located near the alternator. After replacement I have had no problems but I need to do some driving in hot weather to really find out.
In the trouble shooting game you sometimes need to work on the process of elimination so I also had the air filter replaced as well as the Air Inlet Temp. probe (IAT). (Both inexpensive).
From reading up on Suzuki Liana/Aerio (US) problems I can see more than a few which I can put down to a problem with the CAS.
Some vehicles seem to have a problem in that they will turn over but not start. Again most likely a CAS problem. It would seem to me that if there is one consistant problems with Lianas/Aerios then it is a faulty CAS.

The CAS replaces the older distributor. A gear wheel in the engines turns next to the CAS and that in turn passes a signal to the vehicles computer to fire the spark plugs. The CAS may be a solid state bit of kit but can still fail.

Radiators. The Liana has two radiators, each with their own electric cooling fan. The left unit is for the engine block cooling fluid. The right unit is for the air con unit and for external cooling of the engine block and accessories mounted behind the engine. Both radiators have heat sensors. The left has a temp probe that when high turns on the elec cooling fan. The right cooling fan will come on when the air con unit is turned on or when the engine block gets hot. Be advised that the Liana/Aerio runs cooler than a lot of other vehicles so, even on a hot day, the fans may not come on when you expect them to. The CAS unit is located in a hot part of the engine so when the outside air temp rises, such as on a hot day, the temp of the engine block and the oil inside it as well as the air around the CAS probe rises and that is when the unit fails.
Perhaps I if I were to design or modify the Liama (a great little vehicle) I would direct a bit more cooling air around the CAS.

The CAS is a part of modern cars and I note that the CAS in other cars also fail so it is not a Liana/Aerio only problem. Given time and experience car designers will rid us of this over-temp CAS failure problem with better design.

Comment; If you are having a problem such as described then get the CAS replaced. It may be the item that the mechanics overlook in their trouble shooting but is the key to your problem.

Enjoy driving your Liana/Aerio! I do!

Posted on Jan 09, 2010

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I have a 1.6L Liasna/Aerio. 2002.130,000km.
Recently it had a problem, a problem that I seem to see on other websites.
The vehicle was cruising on the highway and suddenly jerked, surged, and cut out. Another case was when it was stopped at the lights and the RPM faded to a cut. Accelerator application would not keep the rpm up.

The common factor in all four cases was that it was a very hot day. Temp was 32-35 degrees C, (around 95 degree F).

I let the vehicle cool down and then got a restart and limped home. Sometimes had a repeat enroute. A dangerous exercise, having the engine cut on a busy highway!

The vehicle then started and ran on cooler days without a murmer.

The local Suzuki shop had a look at it but nothing showed up on the inbuilt computer!

After a fourth incident I took it back to the Suzi shop and this time the service rep said that they had had a few other Liana's come in with the same problem. These vehicles were with the later larger engine, the 1.8L M18A.
The problem it would appear was the CRANK ANGLE SENSOR. A bit of solid state kit it costs about A$100 and is located near the alternator. After replacement I have had no problems but I need to do some driving in hot weather to really find out.
In the trouble shooting game you sometimes need to work on the process of elimination so I also had the air filter replaced as well as the Air Inlet Temp. probe (IAT). (Both inexpensive).
From reading up on Suzuki Liana/Aerio (US) problems I can see more than a few which I can put down to a problem with the CAS.
Some vehicles seem to have a problem in that they will turn over but not start. Again most likely a CAS problem. It would seem to me that if there is one consistant problems with Lianas/Aerios then it is a faulty CAS.

The CAS replaces the older distributor. A gear wheel in the engines turns next to the CAS and that in turn passes a signal to the vehicles computer to fire the spark plugs. The CAS may be a solid state bit of kit but can still fail.

Radiators. The Liana has two radiators, each with their own electric cooling fan. The left unit is for the engine block cooling fluid. The right unit is for the air con unit and for external cooling of the engine block and accessories mounted behind the engine. Both radiators have heat sensors. The left has a temp probe that when high turns on the elec cooling fan. The right cooling fan will come on when the air con unit is turned on or when the engine block gets hot. Be advised that the Liana/Aerio runs cooler than a lot of other vehicles so, even on a hot day, the fans may not come on when you expect them to. The CAS unit is located in a hot part of the engine so when the outside air temp rises, such as on a hot day, the temp of the engine block and the oil inside it as well as the air around the CAS probe rises and that is when the unit fails.
Perhaps I if I were to design or modify the Liama (a great little vehicle) I would direct a bit more cooling air around the CAS.

The CAS is a part of modern cars and I note that the CAS in other cars also fail so it is not a Liana/Aerio only problem. Given time and experience car designers will rid us of this over-temp CAS failure problem with better design.

Comment; If you are having a problem such as described then get the CAS replaced. It may be the item that the mechanics overlook in their trouble shooting but is the key to your problem.

Enjoy driving your Liana/Aerio! I do!

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