Need some advice on 4.6 northstar surging please
#1
Need some advice on 4.6 northstar surging please
Hello, new member here. I have a 96 Deville with the northstar engine and having surging problems after the engine warms up. Dealership could not locate what was causing the problem and a local repair shop thought replacing the intake gaskets would fix it because they suspected a leak.After changing the intake gasket thiswas also unsuccessful. I would welcome any ideas for what might be causing this surging, thanks.
#3
RE: Need some advice on 4.6 northstar surging please
I have seen more than one 96 year model with idle problems caused by a faulty PCM.
Unfortunately all other possibilities need to be eliminated before condemning the engine computer.
Unfortunately all other possibilities need to be eliminated before condemning the engine computer.
#4
RE: Need some advice on 4.6 northstar surging please
Thanks for the replies so far. I should clarify that the surging is while driving and not at idle. I assume the dealer already pulled the codes when it was in for this problem if there were any. I did not ask for them or what they were, regardless they were unable to locate the problem.
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