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Vans & Minivans Nissan Quest Nissan Quest/Mercury Villager Starting & Stalling Problems
320 messages, Last post on Nov 22, 2009 at 9:22 PM
You are in the Nissan Quest Forum. Your Host is Karens
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Replying to: cheri6 (May 18, 2009 6:05 am) |
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Posted this here because I was having the same issues with the known distributor bearing problem, knock sensor code & random misfire. My bearing was toasted, only 4 balls left in it, both seals destroyed, and a handfull of rather large metal shavings about. Thanks to all of the info here I saved a wad of cash on a new or reman distributor. I instead tore it down, cleaned everything with contact cleaner, and got a replacement bearing from local industrial supply place. After reassembling and reinstalliing the distributor, it fired up & ran with no missing. Cleared all codes, and restarted, after a few mins the idle stepped up to 2500 rpm, then it would drop & climb repeatedly and the exhaust manifolds started to glow red. It also has plenty of volume exiting the tailpipe. Shut it off, rescanned for codes and only have knock sensor code. I also recall a co-worker of my wife convincing her to try some water remover & injector cleaner...which she did on the way home from work the other day, problem is she was told to only mix additives into 1/2 tank of fuel instead of full tank.
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Replying to: steve_ (May 16, 2009 8:14 pm)
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Replying to: thert (May 19, 2009 5:15 pm) When my knock sensor went out on my '99, the Check Engine Light came on immediately.
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Replying to: steve_ (May 19, 2009 6:31 pm)
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Replying to: thert (May 19, 2009 6:59 pm)  ). Actually it has to do with engine timing, advancing the timing until the engine pings, and then it backs it off a bit for efficient operation. And I think it'll kick in and retard the timing if a cylinder pre-ignites. By kicking in, it'll send a signal to the engine computer and the computer will adjust the timing. The other code that was thrown off when the knock sensor code came up for me was cylinder misfire, which would tie in with the knock sensor having to respond to the knock or ping caused by the pre-ignition. I wound up replacing the sensor and three fuel injectors, but I'm not sure I trust that my mechanic shop really knew what they were doing with the injectors. Intermittent problems can be a pain to trace down. Maybe you just have a poor connection somewhere, like going to the computer. Or maybe the engine computer has a flaky trace or component. Beats me - anyone? Steve, visiting host |
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Replying to: prez_ (May 19, 2009 12:39 pm)
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Replying to: steve_ (May 19, 2009 9:17 pm) |
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Replying to: cheri6 (May 20, 2009 6:56 am) My ideas are about tapped out. It sounds electrical to me, but that could mean anything from wires to sensors to replacing the whole distributor. Maybe try asking over in Edmunds Answers - there are some good techs hanging out there and they'll come up with some different angles to think about. |
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