Mine were tough to pull off with pliers... so I used a carpet blade and carefully made a slit in the line at the injector and it pulls right off with ease. Worst part is the diesel that is in the lines gets everywhere and the diesel in the injectors runs out and pools wherever it can.

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1984 190D 2.2 Auto 220k
2001 Jeep Cherokee Sport 70K
2004 Lexus RX-330 ??K
2005 Chrylser Crossfire LTD 6K

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