OBD P0300

[mweiss]

I want to thank everyone in advance for any responses to this post.

 

As with a lot of posts I have seen the same or similar issue and I haven't been able to solve my problem

Im hoping I can get a more direct way to go about locating this problem myself.

by providing this detailed info.

 

The vehicle is hard to start, idles rough, has a horrendous gas smell from the exhaust and the has set

the P0300 on the OBD.

 

This is the freeze data:

throttle position: 16.11%

RPM: 640

load value: 4.7%

air flow: 12.71 GR/SEC

MAP sensor: 49 KPA

coolant temp: 111 F

 

short term fuel:

Trim1 3.4%

 

long Term fuel:

Trim1 0.8%

 

short term fuel:

Trim2 21.5%

 

long Term fuel:

Trim2 4.6%

 

short term fuel:

Trim3 72.9%

 

long Term fuel:

Trim3 8.5%

 

short term fuel:

Trim4 86.6%

 

long Term fuel:

Trim4 92.1 %

 

fuel system:

1 open

2 open

 

I have replaced the crank sensor and the plugs. Any help with where the next step should be is greatly appreciated! Again thank you.