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Subject:Re: 2.2 engine hiccups at 3300 rpm
From:Dennis Jowell
Date:Thu, 31 Aug 2017 16:24:17 -0400
Dan
No exhaust leak anywhere, it was updated last year , good thought though 

Dennis J

Dennis Jowell
Scotch Hollow Farm
Newbury, Vermont 

> On Aug 31, 2017, at 3:04 PM, Dan N <dn92610@gmail.com> wrote:
> 
> exhaust leak in the pipe/connector pre OX sensor could give hiccups too..the OX sensor is fooled by the leak, sends signals to the ECU then the fuel/air ratio is wrong.. which in turn create all sort of problems including hiccups..
> 
> exhaust leak in the area post OX sensor has no effect... except noises