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Power loss while gentle throttle
#9
OK, Well after many hours I have now come up to this.
My topic feels a bit wierd...
More like; car will bog under light steady throttle Smile

EGR:
*stall test OK. Is there a point of doing the "live test"?
*Cleaned

FPreg: I have no tools for this, neither any mechanic store nearby...have to order
*But no fuel leak to vakuum hose
*No change to RPM when pinching return hose...

TPS: Calibrated as accurate I can, position and measured in (correct) range, idle to wot
* When plugged in I cant hold a stable 2000 RPM, drops about 500-900rpm and up again.*
*unplugged no idle (1000rpm) BUT I can hold it Stable at 2000 RPM

Cooling system:
*No Smoke from tailpipe, when hot
*Gauge indicates just below mid in temp scale.
*Sometimes the expansion tank is full to the top (dry RAD top as I can see), sometimes almost empty and RAD full..?

Vakuum: I haven't found any Vakuum leaks... and no clogged up hoses...yet.

RPM:
*Cold start around 1800 for a couple of mins
*Hot around 800 sometimes down to 600 and no misfire och bogging
*When moving, clutch pressed around 1500 RPM
*Pinching ISC hose drops to 400RPM
* Car feels heavy/powerless when going on low RPM on high gears, (read gear 3 on 3500 RPM, dosen't get full power until 4500rpm (normal?)
that makes it hard to change gears smoothly as I have to meet thottle/clutch for a quite long time, since it lacks of power...

MAF: Cleaned, and measured voltage/resistance OK
*Car will not be able to drive unplugged

Oil: No signs of contamination from coolant,dust etc. Stabile level.

ISC:
*Seems to work, pinching hose rpm drops as said.
*cleaned
IAC:
* I plugged the throttle to IAC hole, no change HOT
* I haven't checked or cleaned it...

Regarding injector cables its only the outer shell thats dirty.
there might be some symptoms/checks I forgot..

I just cant solve this riddle
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Messages In This Thread
Power loss while gentle throttle - by Alexbaba - 06-28-2014, 04:00 AM
RE: Power loss while gentle throttle - by fixkick - 06-28-2014, 05:44 AM
RE: Power loss while gentle throttle - by fixkick - 07-17-2014, 10:15 PM
RE: Power loss while gentle throttle - by fixkick - 07-19-2014, 10:12 PM
RE: Power loss while gentle throttle - by fixkick - 07-19-2014, 11:17 PM
RE: Power loss while gentle throttle - by Alexbaba - 07-26-2014, 12:57 AM
RE: Power loss while gentle throttle - by fixkick - 07-26-2014, 03:46 AM
RE: Power loss while gentle throttle - by fixkick - 07-27-2014, 12:23 AM
RE: Power loss while gentle throttle - by fixkick - 08-06-2014, 08:43 PM
RE: Power loss while gentle throttle - by fixkick - 08-06-2014, 09:13 PM
RE: Power loss while gentle throttle - by fixkick - 08-09-2014, 01:49 AM
RE: Power loss while gentle throttle - by fixkick - 09-22-2014, 04:23 AM

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