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Misfire coded p0300,p0302,p0306

 
  #1  
Old 12-07-2013, 11:20 AM
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Default Misfire coded p0300,p0302,p0306, p1316

Well I've been having issues with rough start ups when cold outside rpm's drop below 500 for a moment idles rough between 500-1000 rpm's it only actually died one time on start up that was last year it was like -10 degrees. Now yesterday it was a rough idle start dropping low rpm's and started my car after work and check engine light was on and I got misfire codes on there. I've been resting about possible vacuum leaks but I couldn't really find any. Someone with experienced this issue can shed some light on this that would helpful. I ordered bk44 to clean out the fuel system that's in process of getting here.

Add: code p1316
Thanks
James
 
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Old 12-08-2013, 01:27 PM
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P0300 is a random misfire, P0302 and P0306 are misfires on cylinders 2 and 6; P1316 is another general misfire code. Jaguar lists the potential causes as

Cylinder compression low
Worn camshaft / broken valve spring(s)
Fuel delivery pressure (low / high)
Fuel injector(s) restricted / leaking
Fuel injector(s) continuously open
Fuel contamination
Fuel injector circuit fault(s)
(Injector DTCs also flagged)
Spark plug failure / fouled / incorrect gap
ECM to ignition coil primary circuit fault
(Cylinder misfire detected DTC also
flagged)(Cyls 2 and 6 for yours)
Ignition coil failure Again cyls 2 and 6.
 
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Old 12-09-2013, 01:20 PM
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I found a leak on the Lower IMT intake looks like the o-ring is worn and it's sucking air in. Would this cause that issue?
 
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Old 12-09-2013, 03:15 PM
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Certainly could, probably would and definitely should be fixed anyway!!
 
 
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