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1985-1998 [Subscribe to Daily Digest] |
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Last night my '97 9000 turbo CSE died on the highway (170k miles) - I was able to coast into an exit ramp but could not get the car restarted.
I had it towed (flatbed) about 7 miles to my house.
Have had fuel gauge issues, so I added 2.5 gallons of gas to the fuel tank.
Still no start.
I started thru Ari's no-start checklist and I'm getting some odd results as follows:
Step 3 –Check the main relay-
Ignition OFF
Pop connector off DI cassette – connect a test lamp between pins 10 and 6 of the cable side of the connector.
Remove fuse 23 for 5 seconds (or more), then re-insert.
Ignition ON – the test lamp should light up for about 6 seconds and then go out.
Does it light up?
YES – Main relay is OK.
NO – Go to TEST 4(not Step 4) -Main relay check
Result: Lights up but stays on - it does NOT go out after 6 seconds nor at all with the key on.
Step 4 – Crankshaft Position Sensor test.
From Step 3, Turn the key to START (from ON) to run the starter motor after the test lamp has gone out. It should light up again.
Does it light up?
YES – Crankshaft position sensor is OK.
NO – A problem with the Crankshaft sensor or connection to the control module.
Result: Light stayed on in previous step and remains on for the CPS test.
Step 5 – Check the fuel pump relay.
Ignition OFF
Remove fuse 23 for 5 seconds, then re-insert.
Ignition ON –listen for the fuel pump to run. It should run for about 2 seconds then stop.
Does the fuel pump run?
YES – fuel pump and relay are OK (Pump may have low pressure, but at least it’s trying)
Result: I can hear the fuel pump running, but it stays on as long as the key is on. (Fuel pump motor was replaced about 15 months ago)
I'm stumped at this point.
Are the results I'm seeing for these 3 steps okay, or is the fact that the light doesn't go out and the fuel pump doesn't stop after a few seconds pointing to another problem?
OBD errors - Front 02 sensor P0135(which I've replaced) and engine temp sensor (P0125). Temp sensor and thermostat replaced last week. This problem was there before the car died...I was going to check the ELCD purge valve next.
I tried my spare DI cassette but still won't start.(I'm not positive that the spare is good).
Other work in last 3 to 6 months - head gasket replaced and turbo cartridge replaced. Car has been running fine since the head gasket work last spring.
So where to go next to find the problem?
Todd inMA
posted by 173.76.23...
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