Question about 2011 Hyundai Sonata

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Hyundai sonata 2011 have code p1100 manifold absolute pressure sensor range/performance

Engine off after 20 minutes of running

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 90 Answers

SOURCE: LOCATION OF IAT SENSOR

hi
it was internal sensor in the MAF sensor
the MAF is MASS AIRFLOW SENSOR
locate in the engine intake hose near the air filter .

with my best wishes

Posted on Jul 31, 2008

dealt_soul
  • 296 Answers

SOURCE: engine code p0421

Catalyst System Efficiency Below Threshold (Bank 1)

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. The downstream O2 sensor reading should be fairly steady. Typically the P0420 code triggers the Check Engine Light if the readings of the two sensors are similar. This is indicative of (among other things) a converter that is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

A code P0420 may mean that one or more of the following has happened:

* Leaded fuel was used where unleaded was called for
* An oxygen sensor is not reading (functioning) properly
* The engine coolant temperature sensor is not working properly
* Damaged or leaking exhaust manifold
/ catalytic converter / exhaust pipe
* Retarded spark timing
* The oxygen sensors in front and behind the converter are reporting too similar of readings


To Do list

* Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required.
* Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
* Inspect the downstream heated oxygen sensor (HO2), replace if necessary
* Replace the catalytic converter

Posted on Jan 19, 2009

csmock132
  • 4669 Answers

SOURCE: 2000 Hyundai Sonata jerking and causing poor performance

The turbine shaft speed sensor can cause this problem, It is also know as the transmission input shaft speed sensor. It will cause the transmission to **** and also stick in 3rd gear, which wound cause slow acceleration.

Posted on May 18, 2009

  • 2 Answers

SOURCE: how do you reset the check engine light on hyundai sonata?

Just disconnect your battery for a couple of minutes.

Posted on Jul 20, 2009

  • 417 Answers

SOURCE: Hyundai Sonata 2006 - Check Engine light came on.

"Fuel system too lean at idle". It's an air/fuel ratio that is not correct, possibly a vacuum leak somewhere. Or a leaky exhaust pipe. Could be related to intake manifold gasket. Somewhere, air is getting into the engine.

I suggest taking it back to the dealer under warranty. I think Hyundai is 10yr./100k for the original owner. 5yr./50k if not. Ask first if covered, and ask why not id not covered.

Posted on Apr 10, 2010

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