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rgare rgare is offline
Mark G
 
Join Date: May 2012
Location: Lancaster C
Posts: 10
Garage
Please help me get her running (74 1.8 stock) [Repost from Rennlist]

I own a stock (original fuel injection) 74 1.8 914, it was my first car and for many years my daily driver, but then one day it wouldn’t start. I had another car and a fiancé so I let it sit in the garage. My fiancé became my wife and four kids and tens later it’s still in the garage. So now I’m fixing it. But I’m stuck, and I could use some help. The car doesn’t start at all.

This is what I’ve done.

Fuel: I drained the gas (yes I let it sit in the tank for all those years) took the tank out and had it cleaned and coted. Sent the plugs out and had them cleaned, new seals, flow tested and repaired (one of them leaked down)

Fuel Injection: I have a pressure gauge inline, just before the driver’s side fuel rail (under the air box). When I crack the engine the gauge reads around 60 psi and then drops to around 10psi. I’ve check the injector’s connection with a circuit test light and the light pulses as the engine cranks. Pull the sparkplug and there is faint smell of fuel.

Based on this I think the fuel system is operational

Ignition

New: Sparkplugs, points, coil and condenser. When I turn over the engine I get a good spark jump from the plug wire to the case. Plug wires are old but show very little resistance. Plug wires are plugged in according to diagram from repair manual.

Based on the fat spark I think the ignition is operational.

Head temperature sensor: I removed this from the car and tested resistance. Measured 1.7K at 70F. Put the sensor in the freezer for around 10min. Measured 3K ohms and then rapidly decreased to around 1.7K. Manual says that sensor should read between 500-2500 ohms, and should be at 2500 ohms at 68F. Is the sensor bad?

I can’t really think of other things to test. Every so often I charge up the batter so the car cranks well, but not even a sputter of a start.

Please give me some ideas; I’d really love to get her started again.
Old 05-04-2012, 12:24 PM
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