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While driving, suv will stall

Tiny
BRIANPRIMEAUX
  • MEMBER
  • 2006 MAZDA TRIBUTE
  • 92,089 MILES
While driving, suv will stall. Starts right back and will be ok. Doesnt do it every day, but when it does once it will usually do again then not again a couple of weeks
Monday, November 19th, 2012 AT 11:08 PM

25 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Is the Malfunctioning Indicator Light showing?
What is the idling speed at operating temperature?
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Tuesday, November 20th, 2012 AT 2:43 PM
Tiny
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No lights on dash till it stalls then normal lights come on, go off after restart. Engine temp is normal, also no codes come up
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Tuesday, November 20th, 2012 AT 4:55 PM
Tiny
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Rpm at idle when warmed up around 800
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Tuesday, November 20th, 2012 AT 7:34 PM
Tiny
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If turning the A/C on or off affects the idling speed, the problem is most likely to be erratic idling which are mostly caused by dirty air passage of the idle control system.

Have the throttle body and IAC cleaned and retest.
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Wednesday, November 21st, 2012 AT 10:10 AM
Tiny
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This problem is not always at idle, it has happened driving down interstate at 60 mph. Sometimes at 30 mph very intermitten
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Wednesday, November 21st, 2012 AT 6:22 PM
Tiny
KHLOW2008
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Are you sure if the dash indicator lights come on before or after engine stalled? If after, that can mean a failing ignition switch that is intermittently losing contact and problem will get worse and more often.
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Wednesday, November 21st, 2012 AT 6:33 PM
Tiny
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How does the ignition switch kill the engine then let you start it right back up?
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Wednesday, November 21st, 2012 AT 9:49 PM
Tiny
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Also lights do come on after stall
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Wednesday, November 21st, 2012 AT 9:50 PM
Tiny
KHLOW2008
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A failing ignition switch can allow the engine to start but will cut off due to excessive resistance. This is the start and would get worse when you would not be able to start.

If the lights comes on immediately after engine stalled, that should not be the problem but it it takes a while after engine stalled, that might be the ignition switch.

Such intermittent problems are not easy to detect and most probably is electrical in nature. Check the EFI and fuel pump relays.

Cutting off has different symptoms. Does it cut off immediately as if the ignition switch is turned off or it seems to sputter slightly or have fuel starvation like symptoms before stalling?
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Thursday, November 22nd, 2012 AT 8:40 AM
Tiny
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Just dies out
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Thursday, November 22nd, 2012 AT 4:30 PM
Tiny
KHLOW2008
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Try swapping out the relays.
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Thursday, November 22nd, 2012 AT 5:58 PM
Tiny
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Which relay would it be? All the relays have same numbers on them
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Thursday, November 22nd, 2012 AT 11:30 PM
Tiny
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R2 and R3. Use R6 and R9 to swap.
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Friday, November 23rd, 2012 AT 2:10 PM
Tiny
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Will try, also replaced ignition switch and cleaned throttle body
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Saturday, November 24th, 2012 AT 4:02 AM
Tiny
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Can the camshaft position indicator cause this problem?
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Friday, December 7th, 2012 AT 1:15 AM
Tiny
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A cam sensor fault would usually throw a code.
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Friday, December 7th, 2012 AT 1:31 PM
Tiny
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Replaced pcm relay with new one its been 5 days and seems to be working
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Friday, December 21st, 2012 AT 9:51 PM
Tiny
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Lets hope that is the fix.

Merry Christmas and a Happy New Year.
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Sunday, December 23rd, 2012 AT 10:27 PM
Tiny
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7 days after pcm relay was replaced and problem returned. Radio cut off 1st then came back on about 2 miles before engine cut off.
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Thursday, December 27th, 2012 AT 2:32 AM
Tiny
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The radio going off indicates an electrical fault and it could be the charging or ignition switch. Likewise a loose wire connection at fuse box or other junctions can cause the problem.
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Thursday, December 27th, 2012 AT 1:55 PM

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