Driveability prob after pcv serv (turbo)

my850isbeat · Post by **my850isbeat** » 30 May 2009, 16:15

Well I had a slight oil leak so I figured it was time to do the pcv service. All went fine till the test drive. The car now runs like crap, almost like the turbo isnt working. I lost at least 1 mpg from having to force it a little more. So what I did find is a code, atmosperic pressure sensor, (oops left it unplugged). I did go through and check the hoses I could see, also what I found is the wastegate wont move when I rev it and slam the throttle shut, in fact I blew the hose off at the throttle body. It made a loud pop was kinda cool. It looks like the vacuum for the wastegate is marked orange? Does it go through that control valve, and does it apply vaccum or pressure? Havent torn it back apart yet just called it a day. Good news is I got keyless module and 2 remotes and got it working, but only one, the buttons feel like they're worn out on the 2nd one.

my850isbeat · Post by **my850isbeat** » 31 May 2009, 08:13

Update: Even though I drove the car yesterday after connecting the sensor I left unplugged, it ran poor. But this morning when I drove it it felt like its usual self again, wierd? I did go through and double check the vacuum hoses from the TCV and all looked okay, I may replace them anyway. Thing is when I got this car a few months ago the previous owner smashed something on the underside and wiped out the intercooler, so no boost. I ghetto rigged an intercooler off of an Eclipse, and had too much boost, could only use 1/4 throttle or so. I got a factory one on ebay and installed it and same thing, but one day, when I smashed it it just started working, like something was stuck from being inoperable for so long. I could give 100% throttle. This car is a mystery to me. I really need to install a boost gauge so I can see whats going on.

Post by **MadeInJapan** » 31 May 2009, 08:52

Good suggestion to self (install boost gauge)

Are you saying you smashed it again?
Anyway, best thing to do is to disconnect the battery (make sure you have your radio code) and let your ECU go through the adaptives again. Any air leak on those vacuum lines or cloggs in the PCV system will cause strange things- also check to make sure nothing else is the culprit. Read all of your codes, reset them and see if any stay- these are usually good clues to what might be going on.