i just put a new engine in my car ni tran fine for 2 days and now im having problems with it staing running it keeps dying and poping gthe code 33 and 34 i never had a egr solinoid so i orderd one put it on and bnow the new one doesnt fit right (the contection to the sensor) but i have no idea how to hook up the vvacume lines to it does anyone know what vacume lines hook up to it and could this cacuse my running problems
this is and 85 ta with tpi and a 383

 

tt

 

sc1twntrbo,

DTCs '33' & '34' are not for the EGR on your engine. A '33' is for a high MAF flow, and a '34' is for a low MAF flow.

Check the electrical connector at the MAF sensor, MAF module on the back of the ECM, and check/set the TPS voltage. You should also check the physical connections between the MAF and its ducting for leaks, as well as any other vacuum leaks.

The ECM compares the MAF reading to the TPS and RPM inputs from the engine, and if the MAF reading is out of a specified range, you'll get the error code.

You may have some real problems using a stock '85 ECM with a 383, since the stroker is going to flow a lot more air than the ECM PROM expects to see on the original engine (probably a 305?). You may be able to get around it with a custom PROM, but will more likely want to change ECMs. Changing to a speed-density scheme may be the best alternative in your case, since it doesn't rely on a MAF for intake air flow measurements. Either way, you'll be getting a custom PROM.