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#1
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89 190E 2.6 Need to do a fuel pressure test How is it done ? and what psi am I looking for ?
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#2
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Among others Harbour Freight.com carries a low price CIS fuel testing kit.
A pre requisite to testingfuel pressures mak |
#3
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I found a test gauge/hose/valve kit on Ebay for a good price (under $30 as I remember). Basically you have to hook to the top and bottom chamber fittings on the fuel distributor, and have a switchover valve system to the gauge. Do a search here, but my memory says the pressures are about 75 PSI, with one chamber being about 5 PSI lower than the other - this is the critical measurement, the deltas between the upper/lower chambers. This controls the fuel flow to the injectors. There are some very definitive articles in the archives here on the procedure.
DG |
#4
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I made a tester as far as I can see there only one port to plug the tester in to it next to the main line coming in to the fuel dist, ok got a reading of 60 psi Key on motor not running drop to 4o psi as soon as the key is off one hour later it zero confused:
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#5
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Some of those rigs have chk valves for american iron. You might have to take it out.
If you want to adjust the EHA.. it will depend on gauge accuracy. |
#6
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I think the line I was thinking is the main was the return line it the line to the pressure regulator I plug my gauge in next to that
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