egr

I have a jdm motor . it looks like egr block off plate is missing on the intake manifold (pic 1). .. the second picture shows that the second block off plate (red circle ) is already on there ..am i right in saying i only need a block off plate on intake manifold for egr block off also does the...

Hi guys ive had my check engine light on for awhile now it goes on and off, finally decided to find out what the codes were and 12 i believe is RPM Signal/Distributer or Circuit, ECM. and Code 71 EGR System Malfunctioning/EGR Temp. Sensor or Circuit, EGR-VSV, ECM?? HELP PLZZ! Can me...

I have been running *very* lean in the 3-4k range under part throttle, the dangerous spot that we are told shows itself when you remove your EGR system and run a USDM ECU. Vf always seem to be normal when the off-the-chart lean condition shows itself. To fix this, or so I hoped, I purchased a...