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#1
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Why are all my sensors dying???
Anyone got any input here? All my sensors in my car appear to be dying and I can't seem to get them fixed. The Crank Position Sensor was the first, then the O2 sensor. I replaced both Crank Position Sensors but the problem code never went away. Had some other problems that went away... now I dowloaded the logs from the last month and was amazed to find the O2 sensor to be a problem again (not sure which one), but now I've also got a camshaft position sensor problem and a problem with a coil!!!
Here's the raw data from my download. Does this look like a valid set of problems, or could I be looking at my OBDII system just self-destructing? Input anyone? Title : View / Vehicle Trouble Log / Summary Rows : 148 Columns : 4 Column 01 : Time [] Column 02 : Vehicle [] Column 03 : Trouble Code [] Column 04 : Description [] 12/11/2004 10:01 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/11/2004 3:48 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/11/2004 3:59 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/11/2004 5:07 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/11/2004 6:18 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/11/2004 6:43 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/12/2004 1:36 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/12/2004 2:20 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/12/2004 2:20 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/12/2004 3:12 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/12/2004 3:12 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/14/2004 7:18 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/14/2004 7:18 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/14/2004 8:35 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/14/2004 8:35 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/15/2004 7:05 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/15/2004 7:05 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/15/2004 6:08 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/15/2004 6:08 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 7:17 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 7:17 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 11:37 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 11:37 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 1:01 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 1:01 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 6:18 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 6:18 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 7:29 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 7:29 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/16/2004 10:19 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/16/2004 10:19 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/17/2004 7:03 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/17/2004 7:03 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/17/2004 8:13 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/17/2004 8:13 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/17/2004 8:26 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/17/2004 8:26 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/17/2004 8:40 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/18/2004 2:14 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/18/2004 2:14 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/18/2004 2:14 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/18/2004 3:40 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/18/2004 3:40 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/18/2004 3:40 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/18/2004 4:25 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/18/2004 4:25 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/18/2004 4:25 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/18/2004 4:26 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/20/2004 7:15 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/20/2004 7:15 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/20/2004 7:15 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/20/2004 7:15 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/20/2004 8:12 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/20/2004 8:12 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/20/2004 8:12 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/20/2004 8:12 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/21/2004 7:10 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/21/2004 7:10 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/21/2004 7:10 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/21/2004 7:10 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/21/2004 7:22 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/21/2004 7:22 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/21/2004 7:22 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/21/2004 7:23 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/21/2004 6:30 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/21/2004 6:30 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/21/2004 6:30 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/21/2004 6:30 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/21/2004 7:34 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/21/2004 7:34 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/21/2004 7:34 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/21/2004 7:34 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/22/2004 7:08 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/22/2004 7:08 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/22/2004 7:08 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/22/2004 7:08 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/22/2004 6:30 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/22/2004 6:30 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/22/2004 6:30 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/22/2004 6:30 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/23/2004 7:34 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/23/2004 7:34 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/23/2004 7:34 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/23/2004 7:34 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/23/2004 7:31 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/23/2004 7:31 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/23/2004 7:31 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/23/2004 7:31 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/24/2004 6:57 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/24/2004 6:57 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/24/2004 6:57 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/24/2004 6:57 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/24/2004 8:18 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/24/2004 8:18 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/24/2004 8:18 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/24/2004 8:18 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/24/2004 2:34 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/24/2004 2:34 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/24/2004 2:34 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/24/2004 2:34 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/24/2004 3:20 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/24/2004 3:20 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/24/2004 3:20 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/24/2004 3:20 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/24/2004 3:46 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/24/2004 3:46 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/24/2004 3:46 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/24/2004 3:46 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/29/2004 3:22 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/29/2004 3:22 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/29/2004 3:22 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/29/2004 3:22 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/29/2004 3:56 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/29/2004 3:56 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/29/2004 3:56 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/29/2004 3:56 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 1:14 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 1:14 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 1:14 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 1:14 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 2:16 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 2:16 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 2:16 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 2:16 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 2:50 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 2:50 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 2:50 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 2:50 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 3:13 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 3:13 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 3:13 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 3:13 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 4:59 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 4:59 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 4:59 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 4:59 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/30/2004 5:23 PM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/30/2004 5:23 PM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/30/2004 5:23 PM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/30/2004 5:23 PM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/31/2004 7:00 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/31/2004 7:00 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/31/2004 7:00 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/31/2004 7:00 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) 12/31/2004 8:12 AM P0353 Ignition Coil "C" Primary/Secondary Circuit 12/31/2004 8:12 AM P0337 Crankshaft Position Sensor "A" Circuit Low Input 12/31/2004 8:12 AM P0348 Camshaft Position Sensor "A" Circuit High Input (Bank 2) 12/31/2004 8:12 AM P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) |
#2
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I'd check for some bad grounds on the motor....as they can cause the same codes....
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Huck Subaru Ambassador 92 SVX LS-Tour Magnaflow Exhaust, 5-Spd-AWD 88 XT6 AWD 5-Speed "Bride of FrankenWedge" 15 Impreza Premium Sedan 15 Crosstrek XV 5-Speed My 5-Speed "How-To" Write-up 1976 Pontiac Firebird Formula Current Count of Subaru's Owned.... "70" |
#3
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Yeah, I agree with Huck - bad grounds or even bad connectors, maybe? I don't have enough experience with the wiring harnesses to say what wires go through what connectors with what other wires, but could a compromised connector cause errors like this? Maybe stripped insulation somewhere?
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE |
#4
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Normally if we find a run of more than one or two sensors throwing codes we begin to take a good look at the ECU. I'm never one to scream 'computer' without a lot of investigation, but your list looks a bit suspicious. Maybe someone will loan you one to try.
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ASE Certified Master Automotive Technician w/L1. ASE Certified Master Medium/Heavy Truck Technician. Certified EVT (Emergency Vehicle Technician) |
#5
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Yeah, both the grounds and the ECU were my suspicions also.
First; the simple one. Where are the main grounds in the engine bay? I intend to go through at the weekend and see what's loose or broken. Second; anyone got an ECU from a 1996 or 1997 car that they can loan me for a week or so? I'll cover any necessary shipping! |
#6
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How's your battery?
My Justy started throwing multiple codes but it turned out my battery was dead.
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
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