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John's helpful advice and detailed instructions on DIY just saved an ageing Renault from the scrapheap. Highly recommended!
Wish I had come here last month, just as you said i paid £700 for a set of injectors in my focus and it ran just the same. Problem turned out to be EGR valve.
If deliveries are close it maybe OK after a period of running as the system is self learningIf the delivery volumes are wide = erratic and smoke.
What happens if you have your 6 original Bosch piezo injectors recon and put back into original place with NO new codes? om642 eng in Merc ML.
Thank you for supplying dpa pump seal kit, it’s been 30 yrs since I had one apart, cheers
Replace fuction with function.