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My suzuki G16A consumes alot of fuel and backfires. I suspect the air flow sensor is not regulating the the air flow as when I disconect power from it, the engine does not node or jack. it continues to run uninterupted.

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Posted on Jan 02, 2017

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SOURCE: gdi 1800 cedia wagon-odometer 80,000km exact, starting, no power


Posted on Jan 03, 2009

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SOURCE: 96 tacoma 4x4 2.7 engine cuts out randomly, like

dont look for air when the car cuts out its most likley spark or fuel when it cuts out ranomly its usually a sensor or relay that is faulty check fuel pump relay and camshaft or crankshaft sensors but first narrow it down to spark or fuel if possible also if check engine lite is on check codes

Posted on Mar 26, 2009

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SOURCE: I have a 2000 Chevy Blazer I have replaced

maf sensor, tps sensor,or timing gear

Posted on Apr 16, 2009

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SOURCE: check engine light

It might but what exactly are the codes. Before you change the Mass air flow sensor, try cleaning it first with a can of mass flow cleaner.
If your running a oil K&N filter, there could be some oil residue on the sensor. Start with that and change the filter or clean it if it's a K&N.
The O2 sensor's could be bad also, you really need the code's to be sure what sensor is giving you the faulty signal.
Good luck and hope this helps.

Posted on May 05, 2009

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SOURCE: 2001 kia rio engine looses power

try your crank shaft sensor, sounds like the same problem i had , had crank shaft sensor replaced and it drove fine afterwards. maybe go to auto zone or something and see if that code comes up

Posted on Apr 18, 2010

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Dirty or damaged mass air flow sensor ! Disconnect the sensor an see if it will keep running . Also check the fuel pressure regulator for leaking . What make , model an year vehicle , size engine ?

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I would also suspect the MAF sensor ( Mass Air Flow ) as this regulates the air to fuel mix. It could also be the TPS ( Throttle Position Sensor) as this regulates the fuel flow into the engine. The cars' computer should have a code stored for the problem - a reputable shop should be able to do a low cost Diagnostic and code scan to steer you in the right direction.
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I would check to see if the vehicle has any stored codes by putting a scanner to it. A cause of something like this can be catalytic convertor clogging up, mass air flow sensor bad, fuel pump bad, or fuel pressure regulator bad.

You can verify fuel pressure by doing a pressure test. If the pressure is good then the fuel pump is as well. Next crimp the soft part of the return fuel line to the tank. If the pressure rises to somewhere around 90 lbs then the fuel pressure regulator is good as well. Test the mass air flow sensor by unplugging it. If the idol improves then you know it is bad.

Check the level of exhuast coming from the tail pipe. You can compair it to another vehicle with a similar size engine meaning v6 to v6 and v8 to v8. You get the point. Also check to see just how hot the exhuast is coming out. Exhuast gases should be hot but not burning hot. If it is then its a good sign your catalytic convertor is clogging.

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Hi again I have the same problem with my 97 grand cherokee larado. It just keeps dying while driving and then spmetimes it back fires before dying I have replaced exhaust o2 semsor crank regulator sensor...

I had a similar problem with a 1992 BMW 3 Series, it would idle funny, backfire, and then die. The problem turned out to be with the mass air flow sensor, it just need to be cleaned (I used break clean). Eventually I replaced the sensor, but cleaning one or twice a month seemed to do the trick.

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I have galant2005 it consums alot of gas.. I checked on the connections and every thing was ok...but early in the morning I smill gas coming from the exhost..I replaced the sparks with new ones and the...

If you are going through a lot of gas your car is running rich(too much gas in the air /fuel mixture) all the time. I would look towards what regulates that mixture.This includes the O2 sensor,MAF(mass air flow) sensor,air temp sensor,and TPS(throttle position sensor).It may even be something like injectors that are stuck or worn.Bottem line,you may be further ahead in time and money by taking the car in and having a mechanic look at it.Good luck

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No, disconnecting the sensor and seeing no change would be a indication the maf was bad. Your computer takes information from your mass air flow sensor (maf), o2 sensor, cam position, and knock sensor to regulate the correct mixture. I would suspect a bad o2 sensor upstream. Try taking off the o2 sensor and seeing if there is black carbon on the base of the o2 sensor. If it has black carbon on the base it could be a bad o2 sensor. This problem could also be easily solved by hooking up a mechanics diagnostic computer to pin point the problem. Sometimes, you can clean the mass air flow with a special cleaner to help it generate a more accurate reading.

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check air flow meter . when car is at idel disconect wires and if tone changes with engine then its fine but if no change then it needs replaced hope this helps?

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