power loss

2015 Encore 1.4 108K Purchased it a week ago with an overheating condition. Diagnosed it and found a cracked head, clogged PCV diaphram, failed intake, bad turbo, and multiple Amazon parts installed. Replaced cylinder head, intake, valve cover, PCV pipe, turbo/exhaust manifold, throttle body...

Car is a 1995 Buick park avenue Ultra Series I L67 Supercharged and 4T60E transmission. The issue is jerking, back and forward like you are being shaken, and not being able to go past 3500 rpm. Car drives fine if you don't step on the gas and if you disconnect the battery and re- connect it...

Let me preface this post by saying I have done a lot of research and have not found any help on my situation. I'll continually search for an answer even beyond what advice you people may have if I can not find a way to solve it. If I do manage to solve it, I will put a post explaining how and...

Trying to diagnose a new issue with my 2001 PA, 120K miles, always maintained. Recently replaced fuel filter, after which car seemed to run just fine. Now a problem which may or may not be related. At about 45mph "Service Engine Soon" light starts flashing with 3 beeps. No obvious mechanical...

I recently have gotten my 94 RM sedan on the road, however I noticed an issue. On a relative flat surfaces it drives fine, I occasionally have to give it a little gas at the shift times. There is one hill on my way home from collage that I get a loss of power but no rpm surge from what I can...

This is brand-new-to-me car. And It's sitting back at the dealer lot who sold it to me right now, here is the list I gave them of the "issues" going on with it. "A few times when I have given it gas from a stop it doesn’t have the power it should have. A few times when I have put it in...

I have an intermittent (but growing more frequent) problem when I accelerate. There is a jerky/rpm drop/hesitation sometimes when I'm just cruising normally or when seeking to accelerate on the highway or coming out of the EZ Pass lanes at tollbooths. Other times, there is this phenomena that is...

Hello Buick Folk, I have had this issue a couple of times when I'm driving my 1997 Riviera through heavy snow; I experience a power loss when accelerating through heavy snow. When I give it some gas, I'll recover that power but it doesn't seem to have much juice. Whenever I'm driving through...