Fuel injection
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Join Date: Mar 2008
Location: Pacific Northwest USA
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Join Date: Mar 2008
Location: Pacific Northwest USA
Posts: 24,862
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dlpoling (03-09-2011)
#4
All injectors are misting, I did a head gasket replace everything checks out comp, timing, and injectors. but I did just learn that he had let it sit for 2 years. think it may be old gas. I was very surprised 1 and 6 would keep the motor running with wires 2345 completely removed. running badly mined you but running lol. I drained the tanks going to clean up the fuel system try new fuel and keep my fingers crossed.
#5
As I remember it, the injectors on the XJ6 Series 3 all fire together, and do so twice per engine revolution, spraying half the fuel requirement on each firing. Lucas-Bosch L-Jetronic as fitted to these cars is an analogue system, not digital, and is not sophisticated enough to inject individually like later developments.
Firing timing is that for the ignition, with pulses fed into the control unit from the coil low-tension side. Question therefore is: have you got the ignition timed correctly, and not 180 degrees out. Also check injector earths are OK, the injectors are all earthed on the inlet manifold somewhere. No earth = no firing of injector
Firing timing is that for the ignition, with pulses fed into the control unit from the coil low-tension side. Question therefore is: have you got the ignition timed correctly, and not 180 degrees out. Also check injector earths are OK, the injectors are all earthed on the inlet manifold somewhere. No earth = no firing of injector
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dlpoling (03-10-2011)
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