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Discussion Starter #1
My car was idleing really high in park sometimes and sometimes would not. Also it would jerk when shifting into gears too. Today tho the brakes are really stiff and really hard to push down. ( new brakes added 2 weeks ago) When i start the car the engine is surgeing/ pulsating and pushing the car forward on its own. I belive there is a problem with the vacuum seal or valve. Also seen it could be the brake booster, master cylinder, or throttle valve. Any help or suggestions is greatly appreciated. Thank you!
 

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^^^^^ +1

Likely a large vac hose at / near the vac distribution block split or fell off.
 

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Research info on how to remove, clean and lubricate the IAC (idle air control valve) - don't worry, it's easy. Research how to clean the MAS (mass airflow sensor) and throttle valve - also easy. Pull out one or two spark plugs and see what they look like. If they're nasty looking replace all six (don't forget to put a small amount of anti-seize on the plug threads when installing/re-installing.
 
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