2001 Impala LS intermittent starting issue

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Some shops are reluctant to take on an intermittant problem I've found.
On a Safari was an intermittent engine rough run, and after changing out plugs, wires, on and on computer, found a cracked wire on the pulse distributer. Every time we worked on it, we jiggled the wires and it would run better for a while. So $1200 later its fixed. This is a 1992 unit. worth about $1000.
Some of these cars look like new, and are low mileage and very good bodywise and mechanical, but are a total loss , re expensive electrical repairs with no guarantee of success.
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On Sun, 18 Apr 2010 22:13:15 -0700, snipped-for-privacy@cam.com wrote:

I hear you on that... Intermittant problems are a royal PITA, especially without the right tools. The VDR helps greatly, if one has it, and if they know how to use it properly. It works, usually, about 90% of the time... Either by pinpointing the fault, or eliminating areas that are not a problem, which allows the mechanic to narrow down the search area.
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Not a general mechanics . This has to be an electronics diagnostics specialist , who is trained to analyse a myraid of diagnostic results, to come up with a solution. Not someone who changes mufflers, and shocks, and starters.
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