Fuel Injection Problems of GMC Sonoma

We have a 1997 GMC Sonoma with a votrec 4. 3 x. Over 2 years ago, we started getting misfires. We tried everything we could think of, to no avail. In the past month I've put over $500 alone. I have been looking it up on-line, and have realized, I'm not the only one with this issue. There has even been a recall in California, but only there. Gm told me they have different gas out there. Another major safety issue has been the wiper motor failure, that had a recall. Gm told me my VIN # was not on the list, but I battle my wipers at least once a month. I have to yank the blades half way up the window before they grab and start to work. One more problem that I now know I am not alone on is the issue with dex-cool. We have flushed and refilled the system at least three times, only to have it gunk-up again. Please help me and all the other customers who got trapped with junk vehicles. We have had too many other failures to count!.

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There are numerous, substantial safety hazards to these vehicles which appear to be common knowledge to mechanics but denied by dealerships. The ball joints are apparently common failures according to massachusetts safety inspectors and are deemed to be an extreme safety hazard. They state that dealerships regularly deny any responsibility for this failure. My vehicle is extremely well cared for, not abused in any way, and has experienced defects, which in my opinion demonstrate gross negligence on the part of GMC's engineering/production. I am also a professional engineer, and prepared to testify the same.

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While traveling 70 mph, truck lost all power shutting down w/brakes and steering becoming non-functional. Please describe details.