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Engine stalls

Tiny
RICKYCLEVINGER
  • MEMBER
  • 2003 SUZUKI GRAND VITARA
  • 3.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
Problem began when vehicle was parked downhill, vehicle did not want to start, after it started it stalled out a couple of times and finally shut off and would not restart. After the vehicle set for a couple of days it started and appears to be running okay. Vehicle has three codes in computer, p0403, p0505, and p0445.
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Saturday, September 30th, 2017 AT 5:58 PM

12 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
P0505 is a code for the IAC valve (idle air control ). Have the iac checked and clear the codes the other codes are related the purge control and the EGR system. I would sort out the IAC first and then see if the other codes re set before looking into them.
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Saturday, September 30th, 2017 AT 11:57 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Yep there are two things that come to mind which is a vacuum leak or the EGR valve is sticking open.

Here is a guide and a video so you can do some tests and get back to us will the results.

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and the video to test the EGR

https://youtu.be/DqUCbbKdWf4

This would effect the EVAP system as well

Please let us know what happens and upload pictures or videos of the problem.

Cheers, Ken

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Friday, October 6th, 2017 AT 11:20 AM
Tiny
RICKYCLEVINGER
  • MEMBER
  • 7 POSTS
Update, drove the vehicle for a few days trying to recreate the situation, eventually the vehicle did stall out, vehicle would start but would not run, let the vehicle cool completely down, vehicle will not start now, vehicle has two codes p0601 and p1740, the 1740 code seems to relate to the transmission so I'm really confused now
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Sunday, October 15th, 2017 AT 3:45 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
P1740 is for the TTC it may be locked up and the car is trying to drive off in top gear, a live data read can show if this is the case, the solenoid valve may be stuck due to dirty oil, a bad electrical connection or the valve has just failed. Some times a master re boot can help. Disconnect the battery and this can often re boot the TCM and see if that helps.
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Sunday, October 15th, 2017 AT 4:09 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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When it stalls out does it do it when it is driving or when you come down to a stop?
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Monday, October 16th, 2017 AT 11:19 AM
Tiny
RICKYCLEVINGER
  • MEMBER
  • 7 POSTS
Update, took it to a dealer and had it checked on their diagnostic machine, the tech thinks it's a faulty fuel pump relay, so far though I can't find the relay, any ideas?
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Friday, October 20th, 2017 AT 7:43 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
It looks like the relay is in the under dash fuse panel/relay box. Here is a guide and some diagrams (below) so you can do some testing.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Please let us know what happens.

Cheers, Ken
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Friday, October 20th, 2017 AT 9:03 PM
Tiny
RCLEVINGER01
  • MEMBER
  • 6 POSTS
This car is driving me nuts. I changed the EGR valve and the fuel pump, drove fine for three weeks and stalled out again, would restart but only run for a few minutes. It has a p0300, 303, and a 306 code. It has individual coils so I would not think that would be the problem. Not sure what to check next.
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Wednesday, August 1st, 2018 AT 2:00 PM
Tiny
RCLEVINGER01
  • MEMBER
  • 6 POSTS
Another update: I smell fuel at the engine and there is a bit of white smoke coming from the exhaust.
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Wednesday, August 1st, 2018 AT 3:32 PM
Tiny
KEN L
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Is the coolant level low? It might be nothing. To me it sounds like the PCM is bad causing the issue or you have an ignition coil or injector shorting out intermittently.

Here are tow guide to help you test each coil and each fuel injector:

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

and

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Please run down these guides and report back.

Cheers, Ken

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Wednesday, August 1st, 2018 AT 5:36 PM
Tiny
RCLEVINGER01
  • MEMBER
  • 6 POSTS
Ken, why did you ask if the coolant was low, also is the pcm the same as the engine computer? I was also wondering since it set a random misfire code and a code for two different cylinders and since the coils are individual to the cylinders would it be not more likely that whatever controls the spark would be the culprit rather than an individual coil?
Thanks, Ricky
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Thursday, August 2nd, 2018 AT 2:45 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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I asked if the coolant was low to see if it was leaking inside the combustion chamber creating the white smoke. The engine computer is the same thing as the PCM. I was thinking PCM but wanted to make sure one of the injectors or coils was not causing the issue.

You can try a used PCM and plug it in to see what happens here is the location.

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Thursday, August 2nd, 2018 AT 9:08 AM

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