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Old 07-16-2011, 06:23 AM   #1
318_IT
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I have a 95 318TI 5 speed, 148k miles. I recently bought it have put about 1k miles on it. Last Friday it seemed like I used an abnormal amount of gas on the way home and could smell gas while I was driving. I noticed when I came to a stop the idle would dip down a little bit then return to normal. Sunday I started the car to see if I still smelt gas...nothing. Monday morning my car wouldn't start.

I have tried everything I can think of and read to try. I pulled the back seat and felt the fuel pump while the car is cranking and I can feel the fuel pump kicking on. I am getting spark and my compression is even all the way across...

I had a little bit of starting fluid left and I tried spraying that in and actually got a little cough from the car when I tried starting it (which seemed like some progress).

Any suggestions on further troubleshooting this? Would a bad fpr cause a no start?
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Old 07-16-2011, 01:42 PM   #2
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Trying to think if the 95 had two coolant temperature sensors or just the single 4 pin. If it has two separate coolant temperature sensors, you could flip them and see if it starts, otherwise, you could jump the circuit with a resistor to see if itll start the car, tested with the resistor that indicates "at operating temperature".
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Old 07-16-2011, 09:48 PM   #3
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Yeah it has two coolant temp sensors...I just replaced the one to the ECU a couple weeks ago. I tried swapping them and still no luck.
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Old 07-27-2011, 06:34 AM   #4
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So I decided to test the fuel pressure to see if the fuel pump was weak. I bypassed the fuel filter when doing this ( to get the pressure where the fuel filter is) and my car started right up. I just replaced the fuel filter about a week prior to this...so am kind of perplexed as to why the fuel filter would get clogged so quickly. I believe I installed it right, the arrow was facing the engine.

I replaced the filter and have put a couple hundred miles on the new filter.
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