What did I do with my 1994 Pathfinder Pathfinder?
6 months ago my 1994 Pathfinder SE-V6 4×4 AUTO Vg30E was put down to remove the heads to drill out broken exhaust studs and for replacement of the lifters and cams (lack of top end oil and increasing clicking of lifters). The heads were repaired, all new gasket kit installed and she ran like new.
How to check the oxygen sensor on a pathfinder?
Use Mode I to determine if the Oxygen Sensor is functioning properly. Warm the engine to normal temperature. Run the engine above 2000 RPM under no load while looking at the ECU. Make sure the GREEN LED goes on and off more than five times during ten seconds at 2000 RPM. If the number of flashes are not more than five, replace the oxygen sensor.
When to complete self diagnostics for Pathfinder 87-95?
If the RED LED stays off, the mixture is more than 5% rich. If the RED LED stays on, the mixture is more than 5% lean. If the RED LED stays on or off above 2000 RPM, complete the diagnostics before beginning repairs. Use Mode III to retrive all stored trouble codes in memory.
Where is the diagnostic selector switch on a pathfinder?
Diagnostic selector switch with switch cover removed and set on top of the ECU. This is where the LED lights are visible on top of the ECU. 1. Turn the ignition switch on, but do not start the engine. All of the lights in the dash should be on. 2. Turn the ‘diagnostic mode selector’ screw on the ECU fully clockwise.
How to build the Nissan VG30E Project Pathfinder?
This is the mismatch of the water passages between the VG33 and VG30 is, simply slightly grind the hole so the block holes match up. To fit a pre 87 head on a new block, you must drill the two holes so more cooling water can flow. Next we polished the stress risers off of the cranks parting line and the rod beams and had the parts shotpeened.
6 months ago my 1994 Pathfinder SE-V6 4×4 AUTO Vg30E was put down to remove the heads to drill out broken exhaust studs and for replacement of the lifters and cams (lack of top end oil and increasing clicking of lifters). The heads were repaired, all new gasket kit installed and she ran like new.
If the RED LED stays off, the mixture is more than 5% rich. If the RED LED stays on, the mixture is more than 5% lean. If the RED LED stays on or off above 2000 RPM, complete the diagnostics before beginning repairs. Use Mode III to retrive all stored trouble codes in memory.
Use Mode I to determine if the Oxygen Sensor is functioning properly. Warm the engine to normal temperature. Run the engine above 2000 RPM under no load while looking at the ECU. Make sure the GREEN LED goes on and off more than five times during ten seconds at 2000 RPM. If the number of flashes are not more than five, replace the oxygen sensor.