1) Exhaust. BB sized hole on the exhaust, after the header, but still in the engine bay. At least one bolt is gone where the exhaust mounts to the header as well. Any major cause for concern? I think so, especially if you read #2

2) Lots of hesitation in the early rpm's while driving. After 3k, it's like a powerband and just opens up. Everything before that is usually lacking and almost like it's waiting for that 3K to hit. It's not cutting out, just... lacking.

Do you think #2 could be caused by #1? So far I've checked the AFM and it appears fine. I haven't checked the TPS, but should have a digital multimeter tomorrow and some fresh feeler gauges to check on that. Fuel filter has been purchased, but it's pouring rain and I know it's gonna be a bitch to get to. Any other ideas? I will check the O2 sensor as well. No ecu codes either.

Thanks for your advice/suggestions/help!

 

If you have an exhaust leak it may effect the O2 sensor.

Good idea to get the bolt replaced.

It is a 22Re engine not real sure what your expecting out of a little over 100 horsepower when fresh.

The size of tires and gear ratio effect things as well

 

It's all stock. I'm just expecting a tad more. I've driven slugs my entire life, but even my little diesel rabbit seems peppier than this thing at times, lol

 

Never a bad idea to check the usual "tune up" things.

Spark plugs, wires, distributer cap, rotor, air filter. Check the timing before spending any money on other things, though.

 

Never set my timing before. I'll order up a timing light and pull out the FSM I did the regular stuff about 3 months ago, maybe a tad longer. I'll pull the plugs and check them though, see if anything catches my eye.

Thanks for the reminder.

I should set the TPS first though, right?

 

I've only set timing on carbureted vehicles over the last 10 years or so...so I can't help you there

 

Nah, if it's warmed up and idling, and you jumper the diagnostic port, and the idle drops a little bit, your TPS is at least correctly set to recognize closed throttle. Set timing at factory spec, maybe a degree or few ahead, and your done. Adjust idle if needed, screw on top/off to the side of TB. Done. Best done with new plugs/wires/dist cap n rotor installed.

 

I'll give that a shot tomorrow. I just got the digital multimeter, so I'll probably attempt to test it anyways, but jumping the port is a lot easier. Thanks man!

 

The only way to set the timing on a 22re is to jump the port. Before making any adjustments to the TPS, be sure that every thing else is correct. However when I read the first post, the description of the issues leads me to think TPS. The TPS is the common cause of what is describe.

If and only when that you narrow down the issue to the TPS, read this thread.
https://www.yotatech.com/forums/f116.../#post52292921

 

When you say, "everything else is correct", what else should I be looking at before moving onto the TPS? Minus the obvious tune up stuff already mentioned. Are you saying I should set the timing first?

I checked the link and that is super helpful, thank you

 

Yes, all tune up options should be taken care of before attempting to adjust the TPS. If the TPS is too far out of adjustment then it will not be possible too set the timing. In that case you will need to take care of the TPS and then try setting the timing again.

 

Alright, lol. Bought the timing light and had a few minutes to test it today (bad ear infection I'm recovering from).
WOW! It was about 10 degrees out. When I had the ports jumped, it was about -8 or so. Unjumped was between 0 and 5 somewhere. Rejumped it, put it at about 5-6 and tightened 'er down. Drove her around the block and holy ˟˟˟˟, I have a new truck. Gonna give it a tank or so of gas to see what my mileage is at and then re-test the timing, but wow, glad I have the timing light now.

Thanks y'all. Will update when I get thru a tank of gas to report MPG increase, if any.