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hellboy,
Thanks for the fast reply. I'll answer as much I can to your post.
I only use Exxon or Mobil to run the car and recently change the fuel regulator but did not solve the idle.
Engine temperature remain normal on the gauge, the hand is little over the midline w/c I'd been seeing since then. I've also replace the ECT sensor, thought that it's not sending the right signal to the ECU but again, no success.
I've also cleaned the TB w/c showing not much of a deposit including the rear of the AIR HOSE w/c has an amount of oil and cleaned it thoroughly, again no success but notice a high rev during cold start.
Up to this point I'm still wondering if the knock sensor is bad since its not throwing any codes. I remember that I pulled codes P1310 and P0300 last January pointing to Ignition coil 3 primary feedback circuit and the other code as multiple cylinder misfire. The steps I've done was to change the upgraded NGK plugs back to Genuine turbo plugs and reset the codes and did not return since then. At the time, I'm burning oil as well and using 10w30 synthetic.
I've also heard about the use BG-44K to remove deposits if there are to improve compression and been planning to use before I change my oil in 2 months time.
And yes, I'll be replacing the intake manifold gasket and knock sensors if time permits. I already have the parts but just waiting to have spare free time.
You did not mention anything about valve or ring problems on your post, I guess it does rule anything like that?
Hope I've described and clarify your concerns on my problems. Thanks again.
Regards,
chrisq 97 855 Turbo 70K
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