Question about 2009 Smart ForTwo Cabrio

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Cutting out while driving with a bad smell from exhaust

Intake manifold pressure sensor comes on the computer we changed the sensor but error remains ... the car has non original muffler does it effect

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Bad smell from exhaust usually mean your cat-converter has given up. Have you noticed a massive increase in fuel consumption too?

Posted on Apr 12, 2014

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1990 BMW 535i sometimes when im driving it acts like it runs out of gas. When im trying to start it back up there is a weird sweet type smell and smoke comes out the exhaust.


You might be burning coolant from a bad head gasket or intake manifold gasket. Have the coolant system pressure tested. A cylinder compression test might also help.

Oct 25, 2015 | BMW Cars & Trucks

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2000 Mercury Mountaineer 5.0L dumping gas into intake manifold and detonation in exhaust manifold on exhaust firing cycle


Fuel pressure regulator bad. Vacuum operated , pull the vacuum line. Smells like fuel. It's bad .Electronic could a fuel pressure sensor on the fuel rail or the fuel pump control module.

Jul 28, 2015 | Mercury Cars & Trucks

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P0106


A P0106 could be caused by:
Bad MAP sensor
Water/dirt intrusion affecting MAP sensor connector
Intermittent open in the reference, ground, or signal wire for the MAP sensor
Intermittent short in the reference, ground, or signal wire for the MAP sensor
Ground problem due to corrosion causing intermittent signal problem
A break in the flexible air intake duct between the MAF and the intake manifold
Bad PCM (do not assume the PCM is bad until you've exhausted all other possibilities)

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Dec 14, 2012 | 2011 Infiniti M37

3 Answers

2001 ford taurus 3.0(2) codepo174, changed oxygen sensors and fuel filter code still comes up on memory


This code is usually caused by leaking intake manifold gasket on the front side. With the engine running, spray carb cleaner or ether on the gaskets. If the engine revs at all, you have a leaky gasket. If not, check for other vacuum leaks in anything attached to that side of the manifold. If you have more questions, please let me know.

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Oct 27, 2010 | 2001 Ford Taurus

2 Answers

I have a P0171 to lean bank 1 error code Upstream O2 sensor?


oxygen sensor, vacuum leak, and yes it could most definitly be if you swaped the wires of the firing order accidently you will get a code p0171 Check the tubing going from the air filter to the intake manifold to see if it has come loose. This might account for extra air going into the intake manifold than the computer is aware of. Otherwise it may be due to a faulty(or dirty) MAP/MAF sensor. Another possible cause is from low fuel pressure due to restricted fuel lines or a bad fuel pump.

Jul 28, 2009 | 1999 Chevrolet Cavalier

2 Answers

Car turns over but won't crank?


you might have a bad manifold absolute pressure (map) sensor. it's on the intake manifold, it weighs the air that comes in the intake (weird huh) and if it goes bad it reports a condition that doesn't really exist to the computer that controls engine functions. if you unplug the sensor and then the engine starts, you got a bad sensor. the engine computer will set a code and the check engine light will come on, but you can replace the sensor and have the code cleared. if you unplug the sensor and the car still won't start, it's not that sensor. hope that helps. failure of this sensor will definitely cause a no start condition.

May 26, 2009 | 2003 Oldsmobile Alero

2 Answers

95 chevy blazer fuel pressure regulator gone bad?


I am going through the same type of problem. I will be pulling the intake manifold off today to check and see if I have any fuel leakage coming from the fuel pressure regulator or injectors. I get random backfiring when motor gets under a load...I put my foot on the brake before I put it in gear and it backfires(sounds like a poofing), always gets worse when in gear, at idle it will do it every 30 seconds...under load when rpms drop...2-3 seconds between...hopefully I find a leak under intake manifold...

Apr 30, 2009 | 1995 Chevrolet Blazer

1 Answer

2005 jeep liberty diesel code # p0101 map- sensor out of range what is map


The MAP sensor (MANIFOLD ABSOLUTE PRESSURE) changes voltage or frequency as intake manifold pressure changes (air flow increases or decreases). The engine's computer uses the reading to advance or ****** engine timing. On older, non-fuel injected engines the vacuum advance on the distributor did basically the same thing.
The MAP sensor also works with other sensors on the Jeep engine, specifically the Throttle Position Sensor (on the throttle body) and Crank Position Sensor (on the transmission bell housing) to control other fuel flow and ignition timing functions.
If you're having problems with the MAP sensor, or are getting a Check Engine light and code for the MAP sensor keep in mind that other problems may cause that error code.
Bad vacuum hoses, vacuum leaks, bad EGR valves, intake manifold leaks, clogged air filter can all affect the MAP. sensor. To know for sure all the other sensors should be checked for correct voltage and perimeters
Also, if you have done any mods to the engine, especially intake, exhaust and ignition mods you may get an error code for the MAP or incorrect reading and a resulting loss in power or increased fuel usage.
The map sensor is easy to change with a couple screws off the Throttle body.. The part the air inters (the air breather). Buy one from the auto parts store if your sure that is the problem and just replace it..There is no adjustments to it...

It really sounds to me that you have a small vacuum leak in a line somewhere.You can try spraying the motor vacuum lines with soapy water with the vehicle running to find a leak. Also listen and feel under the dash for leaks and hissing sounds.
Hope this helps.......

Oct 31, 2008 | 2005 Jeep Liberty

1 Answer

My 95 cavalier Z24 starts but cuts off after 1 min.


Code P0108 is a MAP (manifold absolute pressure) sensor error.

It is either mounter directly on the intake manifold, or on the firewall.

If it is on the intake, the o-ring may have failed.

If it is on the firewall, the rubber vacuum hose may have dry rotted or just have fallen off from either the sensor, or the intake manifold vacuum fitting.

The sensors themselves very rarely fail.

Your sensor will look like one of these:

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Jun 06, 2008 | 1995 Chevrolet Cavalier

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