Multiple error codes and engine light (stalling)

Tiny
PR25CHI
  • MEMBER
  • 2005 SUZUKI VERONA
  • 2.1L
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 76,000 MILES
Hey everyone,

The vehicle has the following error codes:

P0404 - Exhaust gas re-circulation open.

P0175 - Fuel system too rich (bank 2).

P0172 - fuel system too rich

P1172 - Secondary fuel pump insufficient.

P1175 - Fuel trim system balance bank.

P0106 - Mass air flow sensor (MAP).

I was wondering what would be the next steps. I would like to disclose that the MAP and MAF sensors have been replaced once already. I have replace the O2 sensor on this car at least three times. I have taken this car to three other shops as this problem continues after spending all this money. Lastly, one shop had me pay for a Suzuki specialist to drive down to the shop to program the computer which speaks to the engine for programming issues with air flow take.

Symptoms: The car rides rough, stalls when making turns, stopping at a red light or just out of nowhere.

Please let me know your thoughts?
Tuesday, August 15th, 2017 AT 11:03 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

I would think that the open EGR will cause all of these problems. Here is a video and a diagram (below) to help you with the test:

https://youtu.be/DqUCbbKdWf4

They had problems with that style of valve.

Please let us know what happens so it will help others.

Cheers, Ken
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Wednesday, August 16th, 2017 AT 10:41 PM

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