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87 240 Cold Start Problem 200 1987

uid 18083's pic
posted by  lucid on  Tue Oct 21 00:11 CST 2003
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

"Should I continue running cleaner through the system?"
Can't say. I have no experience with Jectron (?). But I have seen Techron specified in Volvo scheduled maintenance procedures, and it has a good reputation in general.

The "deposits" theory is just a theory, but I got it from a long-time Volvo specialist. And it seems plausible. This problem always seems to come on as the weather starts to get cooler. Seldom a summer complaint.

" What sensor could the problem be?

Coolant temp? — Maybe the Engine Coolant Temp (ECT) sensor for the FI system (not the one for the temp gauge). It's not easy to access though. For details, look in the 700/900 FAQ (Pull-down FEATURES menu at top of page)

thermo-time? — No, I don't think you have one on LH 2.2

AMM? — Possible, but not high on the list

cold-start valve? — not if it fires right up. You have a cold running problem, not cold "start".

Sorry I can't be more help.
--
Bruce Young,
'93 940-NA (current)
'80 GLE V8 (Now gone)
'83 Turbo 245
'73 142 (98K)
'71 144 (track modified--and still here)
New 144 from '67 to '78
Used '62 122 from '63 to '67






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