I'm looking to buy a fuel pressure test kit for my 124 and 129 to test pressures at the fuel distributor primarily and fuel pump. I want to verify that both are within their designed ranges.

I noticed that the Harbor Freight folks have one but it specifically states that it doesn't fit Bosh and CIS systems.

I'm assuming that this is an adapter issue. What do I need to look for?
Any recommendations?

Thanks.

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03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather
90 300SEL 214k Pearl Black/ Alto Grey/Black Leather

Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio

this is what you need-

S & G Tool Aid 33800 Injector Cleaning - Fuel System Tools

not an endorsement of the seller nor brand, just a quick example. good luck, chuck.

Thanks for the referral.

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03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather
90 300SEL 214k Pearl Black/ Alto Grey/Black Leather

Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio

I rented one from advance auto parts.No charge just credit card.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran

If you do end up getting the set from Hong Kong Freight be prepared to replace the hoses. They will NOT hold up to the oxygenated fuels we have in the U.S.. Personal experience.

Decent gauges with nice selection of adapters but absolute shyte when it comes to their hoses. They break down internally and feed small pieces of the lining material into the gauge/relief mechanisms.

Master Fuel Injection Pressure Test Kit

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now