Idling issues and engine shutting off

Tiny
REYAD SINGH
  • MEMBER
  • 2007 SUZUKI GRAND VITARA
  • 2.0L
  • 4 CYL
  • RWD
  • AUTOMATIC
  • 180,820 MILES
So my car listed above is the j20 model has been having idling and shutting down issues a while now. I have tried changing cam and crank sensors, servicing fuel injection system, changing plugs, regular air filter change, servicing throttle body, trying known working coil packs and using regular fuel treatments. While it has improved from shutting off constantly once at idle to shutting down only when under higher load such as on inclines or reversing, the problem is still there and the vehicle idles erratically sometimes.
Vehicle performance is high and responsive on some days while not on most days. Any suggestions?
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Saturday, July 1st, 2017 AT 11:23 AM

1 Reply

Tiny
KEN
  • ADMIN
Hello,

Two things come to mind for this problem, first is sounds like the catalytic converter may have fallen apart and could be clogging the exhaust system.

Here is a guide to help you confirm that.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

and you should run the codes to see if anything comes up

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken
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Monday, July 3rd, 2017 AT 1:35 PM

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