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1990 Mitsu Eclipse 2.0 dtc 21
1990 Mitsu Eclipse 2.0 m/t w/ ac Intermintant Check Engine light Checked code via meter , no scan tool and checked wave form pattern (Alldata). Came up with code 21 which is coolant temp sensor circuit. Checked my 5v ref, have that but as per Alldata's diag an... Login to read more. ![]()
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