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Lumpy tickover n cutting out 3rd gen 305 TPi
http://classiccamaroclub.mfatw.com/viewtopic.php?f=9&t=1887
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Author:  Stumpy [Fri Aug 05, 2011 9:39 am ]
Post subject:  Lumpy tickover n cutting out 3rd gen 305 TPi

Got a small problem with my 89 IROC 305 TPi. Starts fine hot or cold but has started to run lumpy and then cuts out but restarts no bother. Doesn't do it all time and can happen hot, cold but always stationary. Runs fine otherwise. New alternator recently and new ignition module/coil/dizzy etc last year inc full service with plugs and leads.
Any advice appreciated.

Stumpy

Author:  chevy-stu [Fri Aug 05, 2011 11:38 am ]
Post subject:  Re: Lumpy tickover n cutting out 3rd gen 305 TPi

Always had trouble with the Throttle Position Sensor on my TPi Camaro... had same bad running symptoms

Author:  Stumpy [Fri Aug 05, 2011 11:50 am ]
Post subject:  Re: Lumpy tickover n cutting out 3rd gen 305 TPi

Not had any bother since I replaced all ignition parts. This has only started in last couple of time it has been out and has got worse each time. Today it started fine and ran no bother untill I stopped and then idle went up n down and engine died but fired up no bother. I think it is a vacuum hose as I have found one behind plenum that is cracked.

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