Strange hesitation Options

[6G96GT]

EDIT - Today, this morning I tried to start it. She fired right up but then immediately died. Tried again and heard a couple backfires and popping and died again. I tried to hold the gas down a little to see if I could hold it with gas... couldn't start, seemed like it had no fuel even though it's half full. Any ideas?



Hey guys, my car's been running real nice for the past couple years and is cam'd and tuned since Oct. 2012 - put about 12k miles on it since the cam install and tune. Never had an issue.

Anyway, today getting on the highway car started acting funny and started hesitating. Then it turned into a real rough hesitation and forced me to slow down from 65 mph to about 35 mph. Finally came to a stop and she died. Turned right back on but very poppy. I was able to get it back up to 60 mph to make it home but was hesitating quite a bit...almost sounded like a quite machine gun at times.

Also, once off the highway when nearing a stop, she got really poppy and wanted to quit. When at a stop light, the idle would fluctuate from 600 to about 1,000 rpm.

Things I noticed:

- hesitates a lot under local and highway speeds
- smells like fuel
- usual bass exhaust rumble got less powerful sounding

Could it be fuel filter? Fuel pump? What gives!

Temperature was normal and oil pressure normal.

This post has been edited by 6G96GT: Feb 2, 2014 - 10:41 AM

[6G96GT]

Oil is perfect - I use mobile 1 full synthetic. Coolant looks good. All gauges read fine. Haven't changed the fuel filter or pump ever but I just bought a new filter from Toyota along with a new ignition coil. My buddy said the plugs and wires look great as does the cap and rotor. I did get gas at another location but it was a Hess. Isn't that good gas?