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2002 Sienna idles very low

Tiny
GRAMOS2000
  • MEMBER
  • 2002 TOYOTA SIENNA
Got a 2002 Toyota Sienna, about 60000 miles. Once in a while, I would start my van and it would start off and idle very low and the engine would eventually stall. I'd try this over and over until it eventually starts off and idle normally. Any idea what this may be?
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Thursday, March 2nd, 2006 AT 12:05 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
First, check for vacuum leaks, if ok, check the mass air flow sensor. We have replaced many on that car. Also Scan your PCM for trouble codes.
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Friday, March 10th, 2006 AT 6:01 PM
Tiny
LOSTINMARS
  • MECHANIC
  • 222 POSTS
I know this is old but justed wanted to comment.

The idle air control valve on these engines get stuck and cause this problem.
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Sunday, November 4th, 2007 AT 1:21 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Good call, I have seen that before also. Just forgot to mention it.
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Monday, November 5th, 2007 AT 9:43 AM

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