Runs Poorly, Possible Check Engine Light on Mazda B4000

Problem Description and Possible Solution

A dirty, or contaminated mass airflow sensor (MAF) can cause the engine to run poorly. The Check Engine Light may or may not illuminate.  MAF sensor related fault codes P0102 and/or P0103 may be stored. In some cases, carefully cleaning the sensor element will fix the problem. If not, replacement of the sensor may be required.

Problem Data
RepairPal Verified
Average mileage: 136,000 (136,000–136,000)
16 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
17 people reported this problem
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Idles ok, but misses when under load, code says 3 & 4 missing, changed plugs ,wires, injectors, What now ?