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[Terbs]

Hi all....

I have got a problem with misfiring/stuttering on the 2.5 V6. Happens when working up through the gears (auto). Once rolling at a speed, and in top, runs perfect.
Question/s ....can you do the paperclip test with engine running (I have only ever done it with engine off). If answer is yes, would you pick up more/better code readings with the engine running.
I assume you would insert the paperclip, then start the engine

May seem a trivial question, but obviously I don't want to muck it up

[feeutfo]

You can, but the older ecu's don't pick up miss fire codes like the later drive by wires of the 2.6 and 3.2 with obd2 codes.

[amba]

Its better having engine running as you will normally "no rpm signal" as a code.

Missfire is normally on the HT side so probably wont store a code,unless the EML has been on.

Normal culprits are ..Plugs/Leads/Disspack ..in that order.

I spent yesterday replacing my N/S cam cover after it gave up,although was due a change with mileage, and had filled #2/4/6 plug well so worth having a look as my miss was similar to that described.

[dbug]

Its better having engine running as you will normally "no rpm signal" as a code.

Missfire is normally on the HT side so probably wont store a code,unless the EML has been on.

Normal culprits are ..Plugs/Leads/Disspack ..in that order.

I spent yesterday replacing my N/S cam cover after it gave up,although was due a change with mileage, and had filled #2/4/6 plug well so worth having a look as my miss was similar to that described.

Normal culprits are ..Leaking Cam cover gaskets/Plugs/Leads/Disspack