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  #11  
Old 01-14-2020, 10:39 PM
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Things I've had like that....

1. Bail clip on coil is off at the hinge.

2. Voltage issue.

3. Bad MAF (tap w/screwdriver handle @MAF plug) if stumbles buy a MAF. You can also unplug the MAF and see if it runs much better AFR will go up...

4. Vacuum pump dying (4.8iS) or vacuum leak.

Not saying these are the end all/be all but it may give you a place to start. If Andrew doesn't see anything wrong with your fuel pump numbers then take that to the bank.

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Old 01-15-2020, 12:12 AM
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Quote:
Originally Posted by EODguy View Post

Not saying these are the end all/be all but it may give you a place to start. If Andrew doesn't see anything wrong with your fuel pump numbers then take that to the bank.

The levels are proper but still need to get a read on psi at the fuel rail.
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Old 01-19-2020, 04:23 PM
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Still haven't tested the fuel pressure, my brother keeps forgetting to bring his gauge over....


I do feel like I'm hearing a hissing sound on the drivers side but I smoke tested and saw no smoke.


I definitely have a bad coil pack. Every cylinder I move coil pack #4 to gets a misfire code so I guess we'll start there. Going to replace all 6 since I've never replaced them.

Last edited by petebert; 01-19-2020 at 05:10 PM.
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