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  1. CEL code 25: Air-Fuel Ratio Lean (2ZZ Swap)

    Care, Maintenance, and Troubleshooting
    Hi. My mr2 spyder 2zz (JDM) is show the following OBD1 error code: CEL 25 "Air-Fuel Ratio Lean". Its happened after a couple of hours after taking the car to 8,000rpm. Someone knows what can occur and how to fix? PD: i took the "cel code #25" by jumping the OBD connectors. "2" + "5" was...
  2. How to obtain CEL codes without using an obd scan tool?

    Care, Maintenance, and Troubleshooting
    Hi. I know that there is the possibility of obtaining the CEL codes without using an OBD Scanner. Some vehicles do so by connecting two wires in the obd port, which causes the Check Engine symbol to flash intermittently, according to the fault codes it has. How can I do it in my Spyder? PS: I...
  3. Can/should my '03 MR2 Spyder have only 2 pre-cat O2 sensors?

    Care, Maintenance, and Troubleshooting
    Hi - New member & pretty new Spyder owner in Australia (Perth). I've been progressively troubleshooting a CEL issue on 2003 model that garage says is O2 sensors, which is still not resolved, and will be subject of another (extensive!) post! As this problem has got me exploring the engine in...
  4. Bad Compression Test Results...Plus a Brand New CEL

    Care, Maintenance, and Troubleshooting
    Ok, so I read the how-to on compression testing, along with my tester manual. I tried both cold test and after engine warmed up. Readings were (psi) #1 - 130 #2 - 132 #3 - 118 #4 - 134 After the first attempt (I only tried cylinders 1 and 2, freaked when I saw the low readings, then read that...
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