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OBD LH-Jet 2.4 fault codes flash out 1-2-1 & 3-2-2 .... 200 1992

uid 46171's pic
posted by  kittysgreyvolvo on  Mon Apr 16 16:47 CST 2018
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last visit: Sat Oct 18 15:23 CST 2014
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Two rather specific fault codes when the ECU encounters conduction issues between the LH-Jetronic ECU and the AMM / MAF.

Not a general or blanket fault notion, yet very specific.

https://www.brickboard.com/FAQ/700-900/EngineOBDCodes.htm

Table 1: Bosch LH2.4 ... Fuel Injection Fault Codes


1-2-1*
- Faulty signal to/from Air Mass Meter
- Wiring fault to or in AMM
- Various driving problems; fuel consumption

3-2-2
- Air Mass Meter wire burn-off signal absent or faulty
- Wiring break between FI terminal 8 and AMM #4
- Various driving problems due to dirty AMM wire

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New VOLVO 240 STALLING/BAD IDLE/ERROR CODES 1-2-1 & 3-2-2.... [200][1992]
posted by  apandersphilip  on Mon Apr 16 07:01 CST 2018 >


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