I'm not familiar with your particular car, but most
electronically injected cars are similar in some
respects. Usually if your injectors are not working;
and the ECU has power and ground and is good,then
it's probably the TDC sensor or maybe the speed
sensor. Those are the main requirements for the ECU
to operate.
- Pug NZ <pug-yahoo2@azorah.co.nz> wrote:
> An intermittent spark with power to the coil points
> towards an
> electrical fault (surprise surprise on the V6!).
>
> To get a spark on the V6, a number of systems need
> to interact.
>
> The power for these systems comes through the four
> relays above the fuse
> box. first step is to check that these are all
> working properly and
> supplying power to the appropriate circuits. When
> the engine is cranked,
> the ECU first waits for feedback from certain
> sensors before producing
> a spark, supplying fuel. If you are checking for a
> spark, use one of the
> spark plug leads, not #1 cyl though. #1 has a sensor
> on it that the ecu
> needs. Check the distributor cap and rotor
> condition. The resistance
> across the rotor should be around 1000 ohms from
> memory (I can dig this
> out if need be), one of mine caused problems when
> the resistance rose to
> around 3000 ohms.
>
> No point in checking fuel pressure if you are not
> getting the injectors
> clicking when you are cranking.
>
> Kevin
>
> marc rogers wrote:
>
> >Check for fuel pressure next
> >
> >--- Pug NZ <pug-yahoo2@azorah.co.nz> wrote:
> >
> >
> >
> >>Can you hear the injectors clicking when you are
> >>turning it over?
> >>Have a look at the bunch of four relays above the
> >>fuse box in the engine
> >>bay. Check the relays, and for bad connections
> >>between the relays and
> >>connectors, and also between the connectors and
> the
> >>wires too.
> >>Kevin
> >>
> >>Jeff wrote:
> >>
> >>
> >>
> >>>A new problem has developed with my ignition, on
> my
> >>>
> >>>
> >>89 505 with the V6.
> >>
> >>
> >>>Engine cranks fine, and there is current to the
> >>>
> >>>
> >>coil, even during
> >>
> >>
> >>>cranking. Every once in a few tries, with the
> coil
> >>>
> >>>
> >>wire pulled, the
> >>
> >>
> >>>coil will product spark. Anything I should be
> >>>
> >>>
> >>checking for? Thanks in
> >>
> >>
> >>>advance, to all that reply, jeff
> >>>
> >>>
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Received on Thu Aug 11 16:37:27 2005
