troubleshooting codes P1136 and P0300 indicate misfire, low fuel pressure, vacuum leak, Bank 1 oxygen sensor and engine mech. condition. What first steps are recommended in order to correct problem? I have already replaced oxygen sensor.

Asked by Oct 09, 2012 at 10:13 PM about the Volkswagen Jetta

Question type: Maintenance & Repair

Volkswagon Jetta 2.8 liter.  There are obvious signs of concern - Idle rough

2 Answers

1,360

I would check coils first

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135

Find and correct vacuum leak, clear codes and check again.

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