|
The wastegate should be stiff, one of the tricks to increase boost is adding a spring to keep the WG from opening as soon. Since the problem has been coming on a while my guess would be an oil soaked hose that has developed a hole or clogged cat, with the cat being the primary suspect, a small increase in backpressure has a large impact on turbo performance. Check the hoses first, they're cheaper.
Just a couple of guesses based on what I've seen with my 2 turbos.
Dave Shannon
Spring Valley, California (San Diego area)
'84-245 200K+
'84-245T 190K+
'85-244Ti 200K+
'88-240 180K+
'01 Jeep Wrangler Sahara 10K
www.volvo2.homestead.com (Opens new window)
|