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84' Rough idle after starter replacement - intake hoses dis and re attached 200 1984

posted by  imthepilot on  Tue Dec 29 18:34 CST 2009
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last visit: Sun Feb 9 16:24 CST 2014
[RELATED]

*WHAT I DID:*

So two days ago, my starter clicked twice when I turned the key and then nothing. AAA towed to my Dad's house for free and I got to work. Two days later (after riding a moped in 30 degree weather to the junkyard) I got a nice 92' 245 BOSCH starter on there. The casing is smaller, as well as the solenoid, but all lined up and seems to work fine.

In order to get at the starter I took off my intake hose between the throttle body and AMM, AMM, hose between AMM and air box and the airbox. The hose between the throttle body and AMM was exceptionally hard to remove but on inspection shows no signs of cracks etc.

*THE PROBLEM*

When I got everything back together, the idle was VERY rough. Inside the car there is almost a knocking noise (not mechanical nor from inside engine), just very violent rocking of the engine. Before the starter went out, it ran GREAT... ran 250mi from alabama at 80mph with the stock 300k block no problems a week ago.

Air mass meter was replaced about 2 years ago, but apparently, there has been no hot/cold regulator in the airbox. Not a failed regulator, just NO flap at all. Bad AMM? why would it show up now?

I've tried reading through "rough idle" posts and I don't know where to start.

TIA
-Ryan






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