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On my previous post re: ECU kit to insulate from heat and Posted by saabniner [Email] (#617) [Profile/Gallery] (more from saabniner) on Mon, 21 Jun 2021 06:29:54 Members do not see ads below this line. - Help Keep This Site Online - Signup |
vibration, the P1453 code has been showing intermittently for the past year. With the replacement ECU all the other codes have been cleared but this one. My Blue Drive OBD reader indicates this is a "catalyst heater diagnostic", after much searching all I have found as possibilities are 1)fuel tank pressure sensor 2) O2 sensor (I replaced the front one only) 3)the nefarious gas cap (replaced twice). Has anyone had any success solving this code issue? The car runs fine but I don't like unsolved issues. Thanks - John
_______________________________________ John Whiteley Saabs owned: 75 99LE 82 900T 83 900T 86 900T 88 9000S 93 9000 CSE 96 900S Conv 97 9000 Aero 08 9-5 Aero SC- currently owned 06 9-3 2.0 convertible AT currently owned
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