Graham W wrote:
>
> TeGGeR® wrote:
>
>>Matt Ion <soundy@moltenimage.com> wrote in
>>newsUzEg.405746$iF6.393198@pd7tw2no:
>>
>>
>>>Okay, just helped a buddy swap a new engine core (block and head -
>>>D15B2, if memory serves) into an '88 Civic with dual-point PGM-FI.
>>>Kept the original intake and throttle body, all wiring appears to be
>>>back where it belongs. Engine was running before, but there was a big
>>>nasty crack down the block right behind the #4 cylinder.
>>>
>>>We're getting spark and compression, but no fuel into the cylinders -
>>>plugs come out completely dry even after much cranking. Fuel pump is
>>>working, and there's lots of pressure both before and after the
>>>forward fuel filter. Haven't checked where the fuel line bolts to the
>>>throttle body, but I don't expect there's a problem there either.
>>>
>>>I'm guessing something is preventing the injectors from working
>>>(again, this is the same intake and throttle body that was in the car
>>>and working previously). Didn't have any time to troubleshoot it
>>>tonight, so we're back at it tomorrow evening, so I thought I'd ask
>>>here for some pointers on where to check, what to test, how to
>>>determine where the problem may lie - any wires to check for signal
>>>or voltage, that sort of thing.
>>>
>>
>>
>>Does the Check Engine light come on for two seconds when the key is
>>first turned to "II", then go off again?
>>
>>Any codes stored in the ECU?
>>
>>Did you reconnect the ECU ground at the thermostat?
>>
>>At the bottom injector, find out which of the two wires is "hot" with
>>the key at "II" (the other one is grounded by the ECU when it wants the
>>injector to turn on).
>
>
> The connector will need to be removed to do this since if the ECU is not
> actively grounding the ground side, the voltage applied to the 'hot' side
> will appear at the 'cold' side as well if still connected to the injector.
>
>
>>Remove the connector, and carefully hook up a
>>temporary connection from the hot wire to the hot side of the injector,
>>then ground the other side of the injector to the block or some body
>>ground. Does the injector now spray fuel?
>
>
>
> --
> Graham W http://www.gcw.org.uk/ PGM-FI page updated, Graphics Tutorial
> WIMBORNE http://www.wessex-astro.org.uk/ Wessex Astro Society's Website
> Dorset UK Info, Meeting Dates, Sites & Maps
> Change 'news' to 'sewn' in my Reply address to avoid my spam filter.
>

Thanks, guys... I'll take these with me to the shop. I didn't do any of the
wiring re-connects so I can't guarantee anything just yet