Search found 9 matches

by polarKALOS
Fri Oct 05, 2012 4:43 am
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Hi precision boost I were surprised too. Getting to the point of checking the tappets were due to surprise with the articles about LPG cars. Actually doing them were due to "nearly perhaps having checked some other things first". It seems some owners and this one are getting stubborn that they belie...
by polarKALOS
Wed Oct 03, 2012 7:02 pm
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Note: The link is

digidownload.libero.it/storyteller/varie/dm_sgi_type1_01.pdf

yet it's necessary to put that text in a google search then click on the link there at the top of the results. "http://www.digidownload" etc seems to disfunction.
by polarKALOS
Wed Oct 03, 2012 6:59 pm
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Progress one month later The stalling problem and hesitation surging problems are solved . The tappet clearances were checked and found to be nil, zero; valves up against the rockers. Previous owner and this owner presumed hydraulic auto adjusters because cars from the eighties usually have those. ...
by polarKALOS
Sun Sep 30, 2012 8:22 am
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Thankyou The vehicle has finally been to it's inspection and failed the emissions test CO (very high level). The owner can still drive it to investigate problems. MAP disconnected, TP mode invoked works reasonably well so he can drive safely with a constant MIL alarm. Dear readers, there might be so...
by polarKALOS
Thu Sep 27, 2012 8:00 am
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Hi During the first checks of the MAP sensor the battery was disconnected and reconnected and, at first start up it was noticeable that the idle took some time to relearn. Using the learning procedure including 10 seconds of aircon the idle was then stable with either aircon on or off. Driving away ...
by polarKALOS
Thu Sep 20, 2012 7:48 pm
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

progress The Throttle Position Sensor is in the MTIA throttle body around the shaft of the butterfly valve and today it was removed and opened up. The potentiometer is easily accessible and visible, as are the four wipers that give volts out for the cable throttle position and another signal to sho...
by polarKALOS
Tue Sep 18, 2012 3:52 pm
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

Good afternoon Without a scanner yet with the service CD info it were possible to put a couple of fine wires (insulated) just inside the rubber sleeves of the cables at the sensors and use a multimeter: Throttle position sensor gives the volts inverse to the guidance notes yet that seems correct and...
by polarKALOS
Mon Sep 17, 2012 8:31 am
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

Re: newbie KALOS 1.2 SE stalling/tuning problem

thankyou for the response This 1.2 has the control-by-wire concept, at least for the first 20 degrees of movement of the throttle according to the CD, which is also the last 20 degs when decelerating and foot off the pedal. The CD mentions the computer observes as you describe, before controlling th...
by polarKALOS
Sun Sep 16, 2012 8:01 am
Forum: Engine/Intake/Exhaust
Topic: KALOS 1.2 SE stalling/tuning problem sudden acceleration
Replies: 13
Views: 2264

KALOS 1.2 SE stalling/tuning problem sudden acceleration

(Note added 28 november 2012 - Problem now solved, adjustment of tappets, stalling and acceleration and power and mixture problems cleared and confirmed History of the problem for your comparison as below . . . . . .) Good morning, I found an invitation to try out this site posted on a Chevrolet fo...