one_fast_prix Posted September 30, 2006 Report Share Posted September 30, 2006 again for reference this is on my 93 3.1 cavalier: well after removing the plenum, tb, etc. and knowing for sure that there are no vac. leaks. the car continues to run like shit. cutting out and killing the engine as soon as you press the gas and having it buck while driving. the only way to move is to hold the gas a little and put it in gear, very rough idle, when i mash it down it doesn't rev limit, but couldn't go much higher than 3 grand also a dead spot while initialy depressing the gas at any kind of driving. so i got another chip, pretty much the same shit. NOW here's the kicker i put the stock memcal and hyperchip back in. the car runs like it should, smooth idle, very minor bucking probs. no cutout or dead spot at all while initialy depressing the gas. the only thing it does is sometimes dies when depressing the break. not stalling out, but just instantly shutsoff and it also does this EVERY time when placing it nuetrul while driving. i would think plugs, wires, coils, vac leaks. that kind of route. but that's just it. the car runs fine with the stock chip. ALL WITH 30# INJECTORS!!! I'm at a loss. Quote Link to comment Share on other sites More sharing options...
GIANT MOTH Posted September 30, 2006 Report Share Posted September 30, 2006 Your EGR valve is shot or sticking. Dismantle. Clean. Clean your plenum. Clean your EGR tube. And send me $5.00. Check or money order. I don't accept cash. Cash is a thing of the past. Quote Link to comment Share on other sites More sharing options...
one_fast_prix Posted October 1, 2006 Author Report Share Posted October 1, 2006 both modified tgp chips have the egr deleted. Quote Link to comment Share on other sites More sharing options...
one_fast_prix Posted October 1, 2006 Author Report Share Posted October 1, 2006 ^^^^also don't have a scanner and nobody seems to have 1st gen. i don't know could it still maybe be a bad egr? i've been letting the car warm up, i then notice after driving for a while, smoke starts pouring out the driver's side hood crevise. pop open the hood and it seems to be coming from around that general direction but its always too hot to take things off to inspect and thats the only time it does it. Quote Link to comment Share on other sites More sharing options...
one_fast_prix Posted October 1, 2006 Author Report Share Posted October 1, 2006 well just ran the code and got 45: Rich exhaust Check for a sticking M/C solenoid. Check wiring at M/C solenoid connector. Check the evaporative charcoal canister and its components for the presence of fuel. Check for fuel contaminated oil. Check the fuel pressure regulator. Check for a leaking fuel injector. Check for a sticking EGR valve. Replace the oxygen sensor. what's m/c and anybody have any ideas what i should check first? Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted October 1, 2006 Report Share Posted October 1, 2006 is the cavy a turbo 3.1L or n/a? Quote Link to comment Share on other sites More sharing options...
one_fast_prix Posted October 1, 2006 Author Report Share Posted October 1, 2006 well bear with me on this one. alot of ppl are getting confused: it's a 3.1 n/a with larger injectors and has the code in the custom chip to handle the larger injectors. turbo setup is installed but the acuator is disconnected so i'm not running boost at the moment until i get the tranny rebuilt to handle the power and larger exhaust done. this is on a 3.1 cavalier and has a larger fuel pump and 2bar map installed. Quote Link to comment Share on other sites More sharing options...
Brian P Posted October 3, 2006 Report Share Posted October 3, 2006 Are you sure the MAP sensor is ok? I think M/C is Mixture control solenoid. I don't know of one on your setup. Considering you got a code 45 and you have the large injectors in there I'm wondering if that chip is controlling them well enough. Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted October 3, 2006 Report Share Posted October 3, 2006 Are you sure the MAP sensor is ok? I think M/C is Mixture control solenoid. I don't know of one on your setup. Considering you got a code 45 and you have the large injectors in there I'm wondering if that chip is controlling them well enough. Yeah, that's the first thing I thought when he posted the Code 45. Quote Link to comment Share on other sites More sharing options...
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