TubbyTwo Posted May 4, 2012 Share Posted May 4, 2012 (edited) Hi all , Been searching and cant find a specific post, thought it might be an idea to complile a thread relating to engine sensors with part numbers and other factors that effect MPG. (Before anyone says it, I know you dont buy a supra for MPG). Mine seems to be on the low side as in less than 20mpg, obvious one is the o2 sensor, chances are on most peoples car its the original one but I think a list of things to check/replace along with the part number would be a good idea. If anyone can contribute to this please do -Engine-component-locations Engine sensors (please change if incorrect) - ECU error code check: Checking ECU diagnostic codes - O2 sensor P/N - How-to-Clean-O2-sensors-in-NA - Cold start sensor/ECU Coolant temp sensor?? - air intake temp sensor? - 2JZ-sensor-resistance guide Engine/ignition/fuel system: - Spark plugs - FAQ-Spark-plugs - Coil packs/coil pack clips How-To-Refurbish-coil-pack-connectors - fuel filter?? - IAC valve - How-To-Clean-Idle-Control-Valve-Cleaning-Aka-ICV Wheels & tyres/chassis: - Tyre pressures - geometry setup - binding/seized brakes Refurbing-J-Spec-Brakes Any more suggestions or part numbers? Edited May 4, 2012 by TubbyTwo (see edit history) Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 4, 2012 Share Posted May 4, 2012 Brakes can sometimes affect it i beleive, if your brakes are sticking slightly you might not even be able to hear it but they could be on slightly if not refurbe regularly etc, just something i heard in another thread Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted May 4, 2012 Share Posted May 4, 2012 (edited) If anyone can contribute to this please do Engine sensors (please change if incorrect) - ECU error code check: Checking ECU diagnostic codes - O2 sensor P/N - How-to-Clean-O2-sensors-in-NA - Cold start sensor/ECU Coolant temp sensor?? - Engine/ignition/fuel system: - Spark plugs - Coil packs/coil pack clips - fuel filter?? - IAC valve - Wheels & tyres/chassis: - Tyre pressures - geometry setup Any more suggestions or part numbers? 20st+ mate in the car! and/or 10st ice setup. Big gay wings, fitted at wrong angle (air brake) sorry couldn't resist. Edited May 4, 2012 by Tricky-Ricky (see edit history) Quote Link to comment Share on other sites More sharing options...
TubbyTwo Posted May 4, 2012 Author Share Posted May 4, 2012 updated Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 4, 2012 Share Posted May 4, 2012 This is a great idea i must say tubby with the links to instruction threads etc, i was talking about someone doing the same kind of think for people wanting to go NA-T with like a list of stuff you need, costs, links to garage's etc where people can do it, links to parts etc Quote Link to comment Share on other sites More sharing options...
TubbyTwo Posted May 5, 2012 Author Share Posted May 5, 2012 any more suggestions? Quote Link to comment Share on other sites More sharing options...
Iky Posted May 5, 2012 Share Posted May 5, 2012 Stock BOV, mine was stuck open causing a massive boost leak. Quote Link to comment Share on other sites More sharing options...
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