Code P0102

LOREN STOVER

MEMBER
2008 TOYOTA YARIS
1.8L
4 CYL
2WD
AUTOMATIC
190,000 MILES

The car is a Toyota Scion which wasn't a choice when I picked model but it has a p0102 code and I replaced the MAF sensor and there's no change. I also checked for 5 volt reference and it checked out. Oh, by the way when I tried to erase code it would not go away. Stuck now and can't figure it out.

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,758 POSTS

Hi,

I assume this is a Scion xD. It is the only one with the engine you provided.

The problem can be a few different things. The only way to determine where it is coming from is to follow a diagnostic flow chart and check one thing at a time.

The pics below are the diagnostics and pics related to the tests. Let me know if you are comfortable doing it.

I hope this helps. Let me know if you have other questions.

Take care,

Joe

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Thursday, March 18th, 2021 AT 8:04 PM

LOREN STOVER

MEMBER
130 POSTS

You are correct about the car and I am very comfortable doing these tests especially with a multimeter. Thank you for your help and I'll get back with you about the results.

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Friday, March 19th, 2021 AT 9:47 AM

LOREN STOVER

MEMBER
130 POSTS

Thank you so much for your help. Problem solved it was the EFI 2 fuse it was just misplaced so I put another one in there and it runs perfect now.

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Friday, March 19th, 2021 AT 11:43 AM

JACOBANDNICKOLAS

MECHANIC
109,758 POSTS

Hi,

Glad to hear you got it running. Please feel free to come back anytime in the future if you have questions. You're always welcome here.

Take care,
Joe

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Friday, March 19th, 2021 AT 7:04 PM

Code P0102

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