I finally got the impala back on the road. Still fine tuning and getting everything back to working order. Something happened yesterday, and I am striking out on what the potential cause could be.
I was driving on the interstate at 5:30pm (traffic), so it was stop and go. Car was driving normal. I was driving forward at idle; I applied the brakes; and after I came to a complete stop, the rpm's dropped sharply, the car died and would not restart.
I pushed the car to the side of the road, and checked everything. All fluids were/are good, coolant temperature was good (150-160 degrees), gas was getting to the engine (checked schrader valve port with car on/engine off), intake was clear and clean, all sensors were plugged in, no check engine light, grounds looked solid, spark plug wires were checked at plugs and opti, no fluid leaks anywhere, and the battery/starter were strong and tried to turn the engine over. I let the car sit for 10 minutes and tried to restart...nothing. The starter would engage, but the engine would not turn over.
I called a tow truck, and while I was waiting I continued to check things and tried to restart, but no success. After the car was dropped off in the driveway, I tried one more time to turn it over, and the SOB started up like nothing was wrong. I didn't change or check anything. I let it idle for 10 minutes with an occasional rev. No issues. Turned it off and restarted with no issues.
At this point, I don't know where to start looking for potential problems, and I am looking to see if anyone here can help diagnose/troubleshoot my car issue(s). Anyone with a similar circumstance?
Car mods: 357 ci by Golen Engines, LT1 aluminum heads with larger valves and bowl porting, Cam Duration 224,230 Lift .574,.569, 1.6 RR, rebuilt/upgraded 4L60E, 2800 stall converter by Edge, 30 lb/hr flow matched injectors Bosch, CAI by Clear Image, F-body MAF, try-y headers and cat back exhaust by Clear Image, electric water pump, 160 thermostat, deleted Cats, EGR and Air Pump, and PCMforless tune for all of the above. Everything else is stock. No forced induction.
I should note that I was having idle problems caused by a faulty TPS. I replaced the TPS and reset it to read 0.70 volts (0.68 ideal). After I replaced the TPS, I also reset the IAC. The engine appeared to idle perfect after these corrections were made. I even made another 30 mile trip with a lot of stop and go prior to this stall incident, and I had no issues.
Thanks in advance.
I was driving on the interstate at 5:30pm (traffic), so it was stop and go. Car was driving normal. I was driving forward at idle; I applied the brakes; and after I came to a complete stop, the rpm's dropped sharply, the car died and would not restart.
I pushed the car to the side of the road, and checked everything. All fluids were/are good, coolant temperature was good (150-160 degrees), gas was getting to the engine (checked schrader valve port with car on/engine off), intake was clear and clean, all sensors were plugged in, no check engine light, grounds looked solid, spark plug wires were checked at plugs and opti, no fluid leaks anywhere, and the battery/starter were strong and tried to turn the engine over. I let the car sit for 10 minutes and tried to restart...nothing. The starter would engage, but the engine would not turn over.
I called a tow truck, and while I was waiting I continued to check things and tried to restart, but no success. After the car was dropped off in the driveway, I tried one more time to turn it over, and the SOB started up like nothing was wrong. I didn't change or check anything. I let it idle for 10 minutes with an occasional rev. No issues. Turned it off and restarted with no issues.
At this point, I don't know where to start looking for potential problems, and I am looking to see if anyone here can help diagnose/troubleshoot my car issue(s). Anyone with a similar circumstance?
Car mods: 357 ci by Golen Engines, LT1 aluminum heads with larger valves and bowl porting, Cam Duration 224,230 Lift .574,.569, 1.6 RR, rebuilt/upgraded 4L60E, 2800 stall converter by Edge, 30 lb/hr flow matched injectors Bosch, CAI by Clear Image, F-body MAF, try-y headers and cat back exhaust by Clear Image, electric water pump, 160 thermostat, deleted Cats, EGR and Air Pump, and PCMforless tune for all of the above. Everything else is stock. No forced induction.
I should note that I was having idle problems caused by a faulty TPS. I replaced the TPS and reset it to read 0.70 volts (0.68 ideal). After I replaced the TPS, I also reset the IAC. The engine appeared to idle perfect after these corrections were made. I even made another 30 mile trip with a lot of stop and go prior to this stall incident, and I had no issues.
Thanks in advance.