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2006 Nissan Quest Mystery Problem
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Unlucky Nissan owner
New User
Jul 14, 2019, 12:43 PM
Post #1 of 3
(2811 views)
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2006 Nissan Quest Mystery Problem
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I have a 2006 Nissan Quest (don't think I'll but another Nissan).
Took it in to a local shop a couple of weeks ago for AC problems and a rough idle. They fixed the rough idle by finding and repairing broken vacuum line. They evacuated and recharged the AC.
Last week, the AC stopped blowing cold again. Have not been able to start the compressor, and it won't take a recharge. A friend of mine was here, and we messed with the safety switch on the compressor, trying to bypass it and get it to kick on so we could recharge the AC. We pulled on a relay box a little, trying to investigate the relays. We could not remove it, and gave up.
Two days ago, my wife took it in to a shop where we bought tires and had the tires rotated. She also had them check the brakes at the time.
That night, she was driving the van to the store about 10 minutes away. On her way back, the rpms dropped dramatically to zero a few times, and van went into limp mode. I took it for a test drive when she got back, and it was very difficult to start (took several seconds of cranking, and a little gas) and it went into limp mode again as I drove it.
The next day I took it to O'Reilly's for a codencheck (the SES light was on.)
These are the codes:
P0726
P1726
P0420
P2122
P0643
P0335
I disconnected the negative post, and reset the engine light.
Next day, wife drove it about 15 miles with no problems, but then it died on her as she was parking it. Drove it home without problems. No engine light.
Today, drove it about 10 miles, and on interstate it dropped briefly to 0 rpms twice. Then, again on way back home, and it went into limp mode. SES light came back on, along with SLIP and Trac off lights, which have all stayed on.
Went back to oreillys for code read. It was difficult to start again, and stayed in limp mode. Here are today's codes:
ABD: C1130
P0726
P1726
P0335 (4x)
Anyone have any ideas? I was going to replace the crankshaft sensor, but I'm afraid it may not actually be the problem.
Thanks for reading...
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 14, 2019, 12:53 PM
Post #2 of 3
(2805 views)
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Re: 2006 Nissan Quest Mystery Problem
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You appear to have a few unrelated problems.
P0335 Crank sensor signal problems
P0420 Catalyst efficiency
P0720 Speed sensor issues
P1726 Speed sensor issues
P2122 Problem with electronic throttle control
P0643 Problem with reference voltage to sensors
Maybe look for a main harness connector that doesn't have a good connection.
Other than that you are just going to have to tackle these issues one at a time.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Unlucky Nissan owner
New User
Jul 14, 2019, 1:11 PM
Post #3 of 3
(2796 views)
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Re: 2006 Nissan Quest Mystery Problem
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Thanks for the response.
I am suspecting a wiring problem, as well. I don't know which of the recent meddling with the van could have caused it, or how I might go about finding out where the problem could be.
I also didn't know whether a bad crankshaft sensor could cause any of these other problems.
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