Hey guys my uncles 1994 ES300 with 129K engine shuts off when put into drive, reverse or any gear. It idles fine when in park, but once u change it into drive or reverse the engine shuts off. My uncle is freaking out and I'm going tomorrow to look at it to see what may be the issue. Can any of you guys give me any insight as to what it could be. (Im thinking a vacume leak or bad fuel pump but not sure till I see the car)thanks for any input
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Need more information, but it could be that the torque converter is locked up, so as soon as you put the car in gear it stalls. Not sure what you mean by "engine shuts off". Does the engine rev up through the range normally? CEL on?
I had the same problem on my Cadillac, it occasionally died when shifted into any gear. The issue was the ISC module which wasn't able to maintain a high enough RPM so the engine would just die. Replaced it and it hasn't died in the 3+ years since.
__________________ Current Whips
1993 Seville - Silver on Grey. 4.9L V8/Heated windshield & seats/dash computer/5k HID's/X920BT Nav & Backup Cam/LED Interior/Flowmaster 40 Series Delta exhaust
2001 ES300 - Grey on Grey. Heated seats/Wood trim/Wood Shifter/X710BT Nav & Backup Cam/5k HID's in 00-01 HID assemblies/8500 X50 Direct Wired/LED Interior
2003 ES300 - White on Tan. Nav & ML/HID/rear sunshade/auto wipers
2010 RX350 - Red on Tan. AWD/Premium package, Nav, AFS HID's/Clearbra/Side Moldings.
there's a lot of causes for that kind of thing. Two main things: the complete lock between the pump and turbine within the torque converter that's only supposed to happen at 45+ mph isn't coming undone. Replace/fix the torque converter. Or, a bit of contamination could have found its way into the small fluid channels that control shifts, and blocked a ball bearing from falling into place, which keeps it stuck in a higher gear. Even though the torque converter should still offer enough slip (pump side not spinning very fast) to allow it to idle, i guess under certain circumstances it could cause a stall.
look for a rats nest in the air box. I once had to maintain a fleet of 350 cars for State Farm Insurance. On a few of them I have found chewed up air filters and debris stuck in the IAC. With the passage so small a rat turd could let in enough air to idle but not under load.
Have you tried a neutral drop? Start in neutral and give it some revs the throw it into drive. Not sure what exactly that will tell you but if you can force it to operate under a load, u can start to accurately paint the picture
NOOOOOO!!!!!! Do not nutrol drop! Bad for the tranny! Take the vacuum line off of the IAC and using a bic pen as a splice pull off the PVV that goes into the side of the intake hose off of the valve cover and put them together. Leave the tip on the bic pen but take out the plug in the back of the pen and push the ink stick out of the tip. The tip acts like a restrictor to keep the RPM to about 1200. Then try to put in gear. If it still dies then I suspect the TCC (torque converter lock up) solenoid.