Volkswagen 1.8L Index of Articles

VW Mass Air Flow (MAF) Sensor Test (5 Wire Type)

March 22, 2010
  Updated: January 31, 2020
  Written by: Abraham Torres-Arredondo
VW Mass Air Flow (MAF) Sensor Test (5 Wire Type)

The most common way to test the 5 wire VW Mass Air Flow (MAF) sensor is just to unplug it with the engine running. If the MAF is bad (either because it's not producing a signal or producing an erratic one), the car's idle will return to normal and...   read more >>

Testing The VW Passat (98-99) Mass Air Flow (MAF) Sensor

July 12, 2010
  Updated: January 31, 2020
  Written by: Abraham Torres-Arredondo
Testing The VW Passat (98-99) Mass Air Flow (MAF) Sensor

VW used several types of Mass Air Flow Sensors, for the most part they can be divided into two categories. One type has 4 male spade terminals and the other has 5 male spade terminals. This FAST TEST Article is for the one with the 4 male spade...   read more >>

How To Do A Compression Test (VW 1.8L Jetta, Passat, Golf, New Beetle)

July 04, 2011
  Updated: July 16, 2019
  Written by: Abraham Torres-Arredondo
How To Do A Compression Test (VW 1.8L Jetta, Passat, Golf, New Beetle)

A compression test will help you to determine the health of your engine by measuring the pressure of the air that gets compressed by the piston rings against the cylinder head valves. This info comes in handy when you're trying to troubleshoot a...   read more >>

How To Test The 1.8L VW Ignition Control Module and Ignition Coils

July 22, 2010
  Updated: January 31, 2020
  Written by: Abraham Torres-Arredondo
How To Test The 1.8L VW Ignition Control Module and Ignition Coils

This tutorial will help you to diagnose a bad ignition control module (ICM) causing a misfire condition on your VW 1.8L Passat (New Beetle, Jetta, Golf) . It will also help you to troubleshoot a bad Coil-On-Plug (COP) ignition coil. One of the...   read more >>