5 seconds of cranking to start

[frank j. bauer]

a quite serviceable cis pressure test kit is available at jc whitney for 
$60 plus the usual:
http://www.jcwhitney.com/autoparts/Product/Pr-p_Product.CATENTRY_ID:2008126/c-10101/Nty-1/p-2008126/Ntx-mode+matchallpartial/N-10101/tf-Browse/s-10101/Ntk-AllTextSearchGroup?Ntt=cis+fuel+pressure+gauge

cody at 5000tq.com wrote:
> Grant that would not work on a 5ktq. They only run the fuel pump when  
> the engine is turning, whether by the starter or by running of course.
> 
> Jeff, this is not 'normal' for your car, but not uncommon at all among  
> CIS fuled cars. Grant's suggestion of the leaking check valve is a  
> likely culprit, as are the fuel pressure accumulator, o-ring on the  
> pressure by-pass piston in the fuel distributor, warm-up  
> regulator/differential pressure regulator, and leaking injectors.
> 
> Diagnosing this issue without a CIS pressure gauge set can be tricky.  
> Start by watching carefully for a puff of white smoke when starting.  
> This would hint at leaky injectors. Next you could install a fuse in  
> the top of the fuel pump relay, which would put the car in diagnostic  
> mode and make the fuel pump run any time the ignition is on. Now  
> Grant's test is valid - when it's cold like it normally would be you  
> turn the key on and just let the pump run for a few seconds, then try  
> to start. If it starts right away, or at least faster then usual, then  
> we have determined that you have a problem with fuel pressure leakage.  
>  From there it is hard to diagnose without a gauge set, so you may  
> want to either purchase one or visit a friendy shop that is properly  
> equipped. You *could* try removing the fuel injectors (engine not  
> running) and look for leakage, but from there it's all guesses without  
> a gauge set.
> 
> -Cody Forbes
> http://www.5000tq.com
> 
> 
> 
> Quoting Grant Lenahan <glenahan at vfemail.net>:
> 
>> Uncommon.  But the real question is "did something change?"
>>
>> I have foudn that long cranking can be a sign of a weak fuel pump or
>> leaking check valve. On older cars, try this:
>>
>> 1. turn key to run, listen for fuel pump.
>> 2. after 3-5 sec, start car
>>
>> Did it catch faster?
>>
>> Grant
>> On Oct 7, 2007, at 10:00 PM, JeffreyZentner at aol.com wrote:
>>
>>> Hi All
>>> I have a question I have a 88 5KTQ and when I start it when it is cold
>>> it
>>> takes about 5 seconds of cranking to start it. It always starts but it
>>> seams like
>>> that is a lot of creaking is this normal or do I have a problem?
>>>
>>>
>>> Jeff Zentner
>>> Alta CA
>>>
>>> 88 5KTQ
>>>
>>>
>>>
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