87 5000 cs quattro cold start problem

[Larry C Leung]

Pretty much, in my experience Techron doesn't help if the injectors are
this far gone. Dumped in several bottles, no help, installed new
injectors,  2 - 5 (instead of 20-30) second starts, no matter how cold.
Instanteneous warm.

LL - NY

On Thu, 10 Jan 2002 01:10:31 -0500 Brett Dikeman <brett at cloud9.net>
writes:
>At 11:52 PM -0500 1/9/02, George Kotjarapgolus wrote:
>>My 87 tq with 184k still amazes me in that it starts on most every
>occasion
>>in the first few seconds.  The problem that have experienced on real
>cold
>>morning (about 20 degrees or below) is if I do not suceed in those
>first few
>>seconds, it will catch, sputter and I lose any chance of keeping it
>running.
>>Another attempt is useless.  My mechanic told me my pulls are wet and
>told
>>me to change them and he was right.  I change them and it start right
>up
>>with the new dry plugs.
>
>So new plugs have eliminated the problem, or not?
>
>This is odd...usually, my 5kCST started -better- in the cold; it
>would barely turn over and it would catch.   The colder, the faster.
>Warm/hot starts were another matter :-)
>
>When it does start, does it idle smoothly, or does it run rough?  At
>what RPM, roughly?  Does it start "hunting" around, idle
>rising+falling, before or after it has warmed up?
>
>If the plugs are coming out wet, then perhaps you have leaking
>injectors.  You can try a bottle of Techron or similar fuel injector
>cleaner(just make sure it says it's O2 sensor/catalytic converter
>safe; most are) but it's not guaranteed to fix the problem even if it
>is the injectors.
>
>I assume you're up to date on all the usual maintenance items like
>plug wires, rotor, cap, etc?
>
>Brett
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