The banner above is an advertisment - if it asks you to download software, please ignore.
Site News -
7/1: Members: Log In to See Fewer Ads! |
5/28: SAAB Evolutions/TSN T-Shirts $14
[General |
Members |
C900 |
9000 |
NG900 & OG93 |
93 |
95 |
NG95 |
99 |
Sonett |
Vintage Models |
Clubs |
Other Cars |
FAQs |
Gifts |
Member Photo Galleries |
Member Directory |
Classifieds |
Manuals |
*Buddy Registry |
*Mileage Registry |
Polls |
What's New |
Raffle |
Photo of the Month |
Sponsors]
[Main NG900 & OG93 Bulletin Board | BBFAQ |
Post Followup ]
Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
Dean, agree with this explanation, thats why I am
Posted by Makis (more from Makis) on Fri, 31 May 2002 11:32:02
In Reply to: Re: Update hard starting.... long, Dean, Fri, 31 May 2002 09:38:25
Members do not see ads below this line. - Help Keep This Site Online - Signup
.. not jumping to test the tempertature sensor as yet. However, last year on my Porsche 944S2 the sensor was causing me a very bad starting problem. I disconnected the sensor and the sensor itself was measuring fine according to the manual. Only by chance one day I disconnected the ECU and measured the sensor from the ECU side. Guess what I saw, 300ohms on a cold engine. On the 944S2, which incidently seems to have the same Bosch Motronic M2.1 as my Saab, the temperature sensor wiring is as followd: one goes to the ground and the other one goes to the ECU. If the isolation in the sensor fails then through the coolant the sensor will be shorted to the ground and as a result will show a smaller resistance to the ECU. A cold engine is very difficult to start if the ECU thinks the engine is warm. In that case I could start easily the car by disconnecting the sensor and then putting it back. Unfortunatelly it is not so easy to do this on the Saab because of the sensor location. Zipping the wires and soldering the other way around solved my problem, but replaced the sensor eventually anyway for piece of mind. This is the reason I would recommend measuring the sensor by disconnecting the ECU harness.
posted by 194.201.7...
Posts in this Thread:
- Update hard starting.... long, Joe_MTL, Thu, 30 May 2002 16:50:27
- Re: Update hard starting.... long, jim, Mon, 3 Jun 2002 18:55:59
- Re: Update hard starting.... long, TG, Fri, 31 May 2002 13:08:37
- Re: Update hard starting.... long, Anders, Thu, 30 May 2002 18:48:13
- Re: Update hard starting.... long, Makis, Thu, 30 May 2002 18:27:36
- Sorry...I meant FPR is 3.0 bar pn 0280160524. nm, Joe_MTL, Thu, 30 May 2002 17:42:45
Members do not see ads below this line. - Help Keep This Site Online - Signup
Post a Followup
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
StateOfNine.com
![](/tsn/xyz/stateofninebutton.gif) |
SaabClub.com
![](/tsn/xyz/scnabutton.gif) |
Jak Stoll Performance
![](/tsn/xyz/jakstollbutton.gif) |
M Car Covers
![](/tsn/xyz/mcarcoversbutton.gif) |
Ad Available
![](/tsn/xyz/buttonavailable.gif) |
![](/tsn/images/tsnmap.gif)
Random Saabnet.com Member Gallery Photos (Click Image)
This is a moderated bulletin board - Posting is a privilege, not a right.
Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY.
Classifieds are to be listed in The Saab Network Classifieds pages.
This is a problem solving forum for over 250,000 Saab owners, so expect to see
problems discussed here even though our cars are generally very reliable. This is not an anything goes
type of forum. Saabnet.com has been a moderated forum since 1988. For usage guidelines, see the
Saabnet.com Mission and Purpose Page. Please remember that you are
not anonymous. Site Contact | Site Donations | Other Sites by SP -
Poverty2Prosperity.org | Run Club Menlo Park | ScreenBot
Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all
the Site Membership Benefits!