throwing codes p0171 and p0134

1996 CHRYSLER NEON
115,000 MILES
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THENEONGUY
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Ok I have a 96 dodge neon highline and it is throwing two codes one is p0171 and the other is p0134 I was driving down the road and it just quit on me all the dash lights turned off and the check engine light was flashing I sat there for a few min like 30 and then it fired right back up with no problem then the next day it did itall over again what can I do I bought the upstream o2 sensor but its still misfire around 3000 rpms
Jun 28, 2012 at 12:03 PM
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THENEONGUY
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Oh and I also replaced the coil pak too
Jun 28, 2012 at 12:12 PM
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RASMATAZ
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P0171-Lean fuel condition could be caused by one of the following below:

1.Vacuum leaks

2.EGR and PCV valve.

3.Low fuel pressure.

4.Dirty fuel injectors.

5.Mass Air Flow Sensor.

6.Oxygen Sensor.
Jun 28, 2012 at 12:16 PM
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THENEONGUY
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ok I will check them out and it does not have a maf sensor it had a map and also the cam shaft sensor leaks a lil oil could that be my problem also?
Jun 28, 2012 at 12:22 PM
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RASMATAZ
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Dunno could be-fix the leak and inspect the wiring/connector and check the rest
Jun 28, 2012 at 12:28 PM
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THENEONGUY
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Ok will do checked the vacume lines with carb cleaner and I got no response replaced both o2 sensors stll no change and how do I go about checking the egr valve
Jun 28, 2012 at 12:39 PM
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RASMATAZ
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Check if the pintle is moving if not clean it out and check its operation
Jun 28, 2012 at 12:47 PM
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THENEONGUY
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Ok thanks I. Will let you know what I find out later cuz I'm at work now
Jun 28, 2012 at 1:07 PM