EEC-IV PROBLEM WITH ACCELERATION

[David Cooley]

Could be the hall sensor, could be the EEC... Could also be power or ground 
wires with dirty connections going to the EEC or the TFI.


At 03:00 PM 7/14/99 -0400, you wrote:

>Hello Friends...
>I'm from Brazil, and have a Volkswagen POINTER GTI 2000
>but this engine uses eletronic injection FORD EEC-IV...(EFI, not SEFI) with
>4 injectors.
>When i turn on the engine and step accelerator (move the thortle)
>engine respond immediately.... and i repet this step , and no problem
>After 1 or 2 minutes , when i step the accelerator, engine
>not respond immediately ...
>I turn off the engine, turn on again, and accelerate the engine, it respond
>immediately
>so the delay to defect now is less, after 30 seconds , the problem return
>and engine
>not respond when i accelerate. (move the thortle)
>My EEC-IV use a MAP (manifold absolute pressure)...
>I check (run diagnostics) , and EEC return code 18
>"18 = Check base timing & advance function - Timing Tests / Ignition TACH
>signal erratic "
>
>Some times, when i connect cable to diagnose the EEC, after ENGINE ID,
>engine down...
>So i replace TFI, and MAP, but no results, problem persists....
>Can be HALL SENSOR ?


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David Cooley N5XMT Internet: N5XMT at bellsouth.net
Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
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