Quote:
Originally Posted by ngoma
Your troubleshooting step was a good one (replacing suspect injector with a known good one) but better would be to swap the suspect injector with one from another cylinder. See if the problem follows the injector. Then, depending on the results, start looking at the delivery valves or other.
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It's fixed now. Delivery valve for 4 cyl was missing the spring
Friend gave me one from a 1.6d and it fit.
I have never had them off so it must have been the doing of the previous owner but for some reason it just got worse lately and I only noticed it then.