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Re: no base boost - FIXED!!! Posted by Peter [Email] ![]() ![]() ![]() In Reply to: Re: no base boost, Peter ![]() ![]() |
I finally took the Saab to the Saab shop because it failed smog in CA, beforehand I plugged the two ends of the new cat with muffler bandage for no leaks, then they put NGK!!! plugs, I changed distributor cap/rotor wires, change oil, air filter, egr valve clean, new cat. Still failed. then I took it to the shop, they adjusted the AMM for richer running that made the cat hotter and burned off more HC and passed! the thing is, now the turbo spools up also! why? after rebuilding the thing and checked all passages for leftover rags in exhaust system and tested intercooler for major leak (none), the vacuum was always TOO LOW (strong vacuum), now with richer running AMM the vacuum was higher (less strong) allowing the turbo to do its job! right now I can get approx 3 psi pressure, but I will play with the wastegate to get 4 I will be happy with! so that's my emissions and turbo story!
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