Multiple random misfires and flashing sel

Tiny
FIBERGLASSDAN
  • MEMBER
  • 2002 NISSAN XTERRA
  • 3.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 144,000 MILES
Took in mech said bad distributor and crankshaft position sensor. Changed both plus cap, rotor, plugs and wires. Cleared codes. On test drive sel started flashing again. Pulled over check codes and it's back and a knock sensor bank 1 code showed up.
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Tuesday, June 24th, 2014 AT 9:15 AM

8 Replies

Tiny
HMAC300
  • EXPERT
Misfire codes are very hard to diagnose and correct a pro does this best as they deal with it all the time. Just because it says knock sensor may not be the case. Unfortunately you'll have to take it back and let him scan it again maybe something might be an internal problem with whatever sensor it is or something making the knock sensor go off.
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Tuesday, June 24th, 2014 AT 9:28 AM
Tiny
FIBERGLASSDAN
  • MEMBER
Why would I go back to someone who wanted $800.00 for a bad repair
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Tuesday, June 24th, 2014 AT 10:15 AM
Tiny
HMAC300
  • EXPERT
Then go to another place because the 800 dollar repair may be an internal engine problem. Like I said misfires are very hard to pinpoint.
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Tuesday, June 24th, 2014 AT 12:12 PM
Tiny
FIBERGLASSDAN
  • MEMBER
The 800 was for a distributor and ths sensor.
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Tuesday, June 24th, 2014 AT 12:24 PM
Tiny
FIBERGLASSDAN
  • MEMBER
If it's internal than the extend warranty should kick in not this bs
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Tuesday, June 24th, 2014 AT 12:26 PM
Tiny
HMAC300
  • EXPERT
Have an autparts scan it and get back to me they don't charge for it bbut it may be an intermittent due to the flashing light. Give me the code it gives.
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Tuesday, June 24th, 2014 AT 12:30 PM
Tiny
FIBERGLASSDAN
  • MEMBER
Obdll codes are p0300 and p0328 had it looked at by someone else he said that the intake manifold gasket may be leaking causing my problem. If it is that should be covered under my superior protection plan.
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Wednesday, June 25th, 2014 AT 9:52 AM
Tiny
HMAC300
  • EXPERT
True if you have a vacuum leak (with a bad manifold gasket) it will cause a misfire normally at lower rpm then smooths out as you go faster. If you spray choke cleaner by the gasket on both sides that would tell you if it's leaking at top. Like I said these are hard to find.
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Wednesday, June 25th, 2014 AT 9:56 AM

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