95whitegt Posted March 21, 2017 Report Share Posted March 21, 2017 Back to this 97 auto. Swapped out of a parts car. Its been doing good for the most part until today. The overdrive button stopped working and it only wants to go to 2k rpm and not shift. More info, pats has been bypassed, gas sat in car for 8 months not running. Idle has been rough since getting it back together but I chalked that up to the old gas. The od button came out of where the previous owners transferred it to so that may be a loose connection. Would that cause the trans not to shift? I really have no iidea about autos so any and all help is appreciated. Link to comment Share on other sites More sharing options...
410sn95 Posted March 22, 2017 Report Share Posted March 22, 2017 Check for codes. Link to comment Share on other sites More sharing options...
95opal Posted March 23, 2017 Report Share Posted March 23, 2017 On 3/21/2017 at 6:03 PM, 95whitegt said: Back to this 97 auto. Swapped out of a parts car. Its been doing good for the most part until today. The overdrive button stopped working and it only wants to go to 2k rpm and not shift. More info, pats has been bypassed, gas sat in car for 8 months not running. Idle has been rough since getting it back together but I chalked that up to the old gas. The od button came out of where the previous owners transferred it to so that may be a loose connection. Would that cause the trans not to shift? I really have no iidea about autos so any and all help is appreciated. Your trans is in limp mode. Pull the codes or continue to drive and destroy your trans. Chances are you have a short to ground in the harness. Many times caused by the harness getting burnt up by the exhaust. Link to comment Share on other sites More sharing options...
95whitegt Posted March 24, 2017 Author Report Share Posted March 24, 2017 We pulled the codes yesterday and found o2 has a bad bank #2 and also a fault on the electrical. We have a spare trans harness from the parts car. It seems to have cleared up at the moment but we are going to put it in the air and look it over for sure. If need be swap the harness out. The fault was in the o2 system not the trans but its all the same harness. Link to comment Share on other sites More sharing options...
95opal Posted March 24, 2017 Report Share Posted March 24, 2017 1 hour ago, 95whitegt said: We pulled the codes yesterday and found o2 has a bad bank #2 and also a fault on the electrical. We have a spare trans harness from the parts car. It seems to have cleared up at the moment but we are going to put it in the air and look it over for sure. If need be swap the harness out. The fault was in the o2 system not the trans but its all the same harness. Yup. Gonna have to either repair the existing harness or replace. Ive seen this problem a million times over. Link to comment Share on other sites More sharing options...
95whitegt Posted March 26, 2017 Author Report Share Posted March 26, 2017 We got the car up and found the drivers side front o2 unplugged and the pass side o2 had a broken wire. Repaired that and guessing I missed the other plug when we put it back together. Looked over the harness and didn't see any other damage. Sat it down took it for a shakedown and after a few it did It again. Guess I'm going to swap the harness but also going to delete the cats. I think they may be clogged up and blocking the exhaust once warmed up. Before I do anything I'm going to pull the codes again. Link to comment Share on other sites More sharing options...
95whitegt Posted April 10, 2017 Author Report Share Posted April 10, 2017 Swapped out the harness and found a really bad spot on the old one right at a connector for the trans. Also put a new fuel filter on while it was up. So far doesn't seem to be having any issues but only time will tell ay this point. Link to comment Share on other sites More sharing options...
95whitegt Posted April 13, 2017 Author Report Share Posted April 13, 2017 Well that didn't last long. Car has ran and driven great up until we did a few dig pulls. Right back to problems. We chalked it up to bad gas making everything go bad so replaced yhe regulator and it got better. Checked a few other things and didn't change. K took it for a test ride and it dis good in first when it tried to change into 2nd it hesitated and wouldn't change. Foot to floor did good until around 4k then cut back foot to floor and right back in damn near to red line. Still wouldn't grab 2nd. But damn its quick until it fucks up. Link to comment Share on other sites More sharing options...
95opal Posted April 13, 2017 Report Share Posted April 13, 2017 Drop the pan and check the 1-2 shift accumulator. Probably bad spring or piston. Link to comment Share on other sites More sharing options...
95whitegt Posted April 13, 2017 Author Report Share Posted April 13, 2017 Its back to shifting but is running extremely rich. Sounds like its cammed or dieseling, smoking, and no power. I've checked everything that we have touched since parked and the only thing I haven't done is bolt the harness back. Is the places that look like it bolts to the car a ground point for the harness? The only other thing I can think of is the pats being deleted with an sct chip maybe messing with the computer. Link to comment Share on other sites More sharing options...
95whitegt Posted April 29, 2017 Author Report Share Posted April 29, 2017 After going over and over anything we touched, I thought maybe the sct chip we had installed and programmed to bypass the pats was the problem. Started messing with the computer and it ran right. Bumped it while running went to crap. Removed the chip being I found the original key thank god, put it in the column for now, damn thing runs like it never broke in the first place. Going to get chipped keys cut to match our new ignition and married to the car next. Link to comment Share on other sites More sharing options...
