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UPDATE: This is now resolved. I had the light bulb in my head flicker the other night and wanted to be sure to test my theories thoroughly before providing an update. Turns out the issue was with the data logging feature of my PLX wideband. The TPS, MAF, CTS, and stock O2 signals had been...

I can't be 100 percent on this but it certainly LOOKS like the HKS I had on mine 15 years ago when I bought my 89.

I know, I know - Thanks again for your input and patience with a putz. My head is just not in it as I'm in the process of buying a house. I thought at one point in my life I was really sharp with this crap. My 76 Z was a wiring hackjob nightmare when I bought it. I think I'm on to something (I...

Ok, I calibrated the TPS per the TSRM and verified the linkage and dashpot aren't holding the throttle open. I rechecked the new TPS and it falls within all specs in the TSRM. Everything verifies ok. When I measure VTA I still get around 2.35 volts at the ECU with the throttle closed and just...

I tested for 51 by cracking the throttle and I did get a 51. As soon as I closed the throttle I got the 41 instead. I tested VTA again and this time I had 2.35 volts with the throttle closed and at WOT had 3.50 volts. Now I'm getting intermittent voltages on VTA??? When I tested it the other...

Thanks for the response Jetjock. To answer your question, Yes, I do believe it will throw 51 if I crack the throttle but to be completely sure, I will test it again if the weather holds and report back if it's any different. The 3 conditions you detailed: 1) VTA more than 4.8 vdc (open...

Hope this is the right place to post this... The TPS was replaced at the end of last Fall because it felt like the original has developed a flat spot at the 20-25% throttle spot then it got parked for the winter. I don't remember getting a 41 last year but the car had driveability issues...

The reservoir and line are stock and the line has been replaced.

I agree, it sounds like a dirty screen but it was cleaned and no I have not tested the flow from the reservoir under gravity. My other possibly incorrect assumption, is that if this was a flow issue possibly from a pinched/kinked/dirty line, their would be more issue when the fluid is cold and...

Yeah, On a 50 degree October day here in upstate NY, I can drive it like I stole it with several 13psi pulls and long 70-80mph highway drives without any issue.

The power steering pump has been replaced 4 times, the rack replaced once, the pps solenoid replaced once, lines replaced and or cleaned, reservoir and screen flushed and cleaned. The fluid has been flushed and replaced with ATF dex multiple times. I also added a secondary cooler in conjunction...

Which model is it?

Thanks for the info!

I worked on a supra that had a very similar issue and after doing due diligence and testing/checking all the usual suspects it turned out to be the aftermarket intake. It introduced something in the intake path that the afm couldn't handle. The oem made the car run perfect.

I have read that in rich, high boost situations it is advised to reduce your spark plug gap. I'm interested to determine if anyone has done this with the 7mgte and if they have a "sweet spot" that they have found works best. I ask because my car pulls hard to around 5000rpm and then loses its...

I may be able to get my hands on one but it will be difficult at best. I suspect (or hope) the plug or wiring due to the idle problem healing itself for almost 6 months.

I have heard/read the horror stories from those that do clean it. The accordian hose and all clamps were replaced last summer (new not used) but I will doublecheck those also.

I am going to test the AFM again as it hasn't been tested since late last fall before the car got parked. It did check out ok then but at this point I need to be sure. I will also check the connector again. I have never cleaned the AFM. The AFM was out and tested in another mk3 2-3 months...

Thanks for your input... It appears to be storing 31. I actually never had to jump E1 and Te1 due to the CEL NEVER appearing in my 11 years of ownership. I knew it was just a matter of when and not if. It's strange that the scan tool didnt work as it is used frequently on other Mk3 Supras? The...

Yea Sorry, I forgot to mention that. The check engine light does come on when afr's bottom out but there are no codes? We have checked repeatedly with a buddies scan tool with no luck. We started to think the CEL was due to the car about to stall (slightly lower than normal rpm)