MAF swap created P1514 Error

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Sep 12, 2017 | 03:26 PM

Northeast_Nomad

Thread Starter

Teching In

Joined: Aug 2017

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MAF swap created P1514 Error

Looking for some words of advice here today. So this morning I went down to change my MAF in an effort to try and squelch a P0101 code

long store short, when I replaced it and buttoned everything up, the truck backfired and threw a P1514 when I went to start it.

the truck was running perfectly up until I swapped the MAF, now it doesn't run correctly regardless of which one is in there.

MAF is new
TAC / Throttle Body is Brand new
Map Sensor is new
Both 02 Sensors are new

what would cause this to happen over simply swapping a MAF???

Sep 12, 2017 | 03:30 PM

G Atsma

TECH Senior Member

Joined: Jun 2016

Posts: 22,291

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From: Central Cal.

Was it running well with all the other new sensors installed? Or were they all installed at once, then it ran crappy?