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SUVs Honda CR-V Honda CR-V Maintenance and Repair
6444 messages, Last post on Nov 25, 2009 at 7:39 PM
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Replying to: washby (Oct 24, 2008 1:22 pm) If you have a V-something (6 or 8 cylinders), then Bank 1 is the V-bank which has cylinder 1 in it, and Bank 2 is the other bank. Sensor 1 and sensor 2 are before and after that cat, just as before. The engine computer, uses the feedback from the oxygen sensors to adjust the fuel mixture for optimal performance. I don't know the crv reset specifics, but typically it takes a number of start cycles and miles of driving before the computer will automatically reset the service light. The computer doesn't turn the light on right away with the first out of spec failure, and it doesn't turn it off right away. This is assuming you didn't drive around a lot with the service light on, dumping excess unburnt fuel into the cat converter, and ruining it. If you fixed this quickly after having the initial light, you should be in okay shape. Give it a couple days of driving, and if it isn't off by then, go back to whereever you went to have it read, and have them read the codes again, and then reset the errors. That way you'll be able to see if you get a new/different set of error codes. |
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| this whole time ive been driving my spare car and havent been using the crv and yes it is a straight 4 so im guessing it has two o2 sensors and i changed the first 02 sensor (using a universal Bosch sensor where you have to piece together the wires with the old harness-$60 instead of $200) but the light is still on. I had autozone check the codes and manually reset them and the light stayed off for a few seconds and then came back on after i reversed and stepped on the gas. The same is true after I disconnected the battery from the car and let it sit powerless for about an hour. The codes are still reading the same thing ODBII PO134 code Sensor No Activity Bank1 Sensor1 and PO135 Code P0135 --Oxygen Sensor Heater Circuit Malfunction. I am beginning to think that maybe the problem wasnt the original O2 sensor itself but the harness that connected it to the system which I reused when i spliced the wires using the in-box connector Bosch provides you with. It is either than or the harness itself leading to the engine or it could be something blown in the fuse box. Do you know the exact fuse that powers the sensor heater circuit/02 harness that sends the signals to the computer? | |
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Replying to: washby (Sep 30, 2008 2:46 pm) |
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Replying to: phisher (Oct 24, 2008 11:45 am)
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Replying to: pat78 (Oct 30, 2008 7:18 am) |
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I got the maintenance codes checked in my 2004 Honda Crv and they were ODBII PO134 code Sensor No Activity Bank1 Sensor1 and PO135 Code P0135 --Oxygen Sensor Heater Circuit Malfunction. How is it that you replace the Oxygen Sensor Heater Circuit? Does anyone know where the Oxygen Sensor Heater Circuit is located and what they run for?
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Replying to: washby (Oct 31, 2008 11:38 pm) The oxygen sensor normally is in an extremely hot environment, monitoring the exhaust gases. When you first start a vehicle, the exhaust gas is comparatively speaking cold, and hence the oxygen sensor is giving erroneous readings as it is not working in the hot environment it normally works in. What the heater circuit does, is when starting a cold engine it heats up the oxygen sensor....so it gets up to working temperature faster, and allows your engine computer to adjust the correct fuel mixture quicker.
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Replying to: srizvi1 (Jun 06, 2008 4:05 pm) Looking at the edmunds maintenance schedule (http://www.edmunds.com/maintenance/select.asp), I wanted to have the following done & checked out (assuming I had everything checked and done properly at my last big maintenance point at 30k miles): Inspect Brake lines, hoses & connections (done? power steering & serpentine checked out, hoses ok - don't see anything for brake line) Inspect Brakes (done - 8/32 front, 7/32 rear) Inspect boots & seals Drive axles (dont see this so.. not done?) Change Engine oil (done) Inspect Exhaust system (done) Inspect Fluid levels (done) Inspect Fuel lines & hoses (partially done? I see a check mark for radiator hoses, heater hoses, power steering hoses, and air conditioning hoses) Lubricate Hinges, locks & latches (no mention of this so.. not done. Nothing for Fuel lines?) Check operation Lights & accessories (done) Replace Oil filter (done) Inspect/adjust Parking brake (no mention of this.. so .. not done?) Inspect Steering (done - says steering components) Inspect Suspension (done) Inspect Tie rod ends, steering gearbox & boots (dont see any of these.. so.. not done?) Rotate Wheels & tires (Done) You'll see my notes on what I believe was done and not done based on what I saw in the summary sheet/vehicle check up report. They suggested I get the brake fluid and power steering fluid flushed (Dirty). Lastly, my CR-V has been needed to be jumped a few times in the past couple weeks. Yesterday I was sitting in the car with the engine off, but battery on and listening to the radio for about 30 minutes and the battery died and needed a jump. I thought this meant a weak battery which should be changed under warranty, but their battery test said it was still good (12.58V/449 CCA). So as a result, they wouldn't give me a new battery.
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Replying to: kiawah (Nov 01, 2008 7:26 am)
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Replying to: washby (Nov 01, 2008 5:02 pm) Majestic Honda (RI) San Leandro Honda (CA) www.hondaadcuraworld.com / Ray Laks Honda (Buffalo, NY) Pick one that is closest to you. |
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