possibly explosive problem

25

Asked by gv Oct 05, 2007 at 05:39 PM about the 1993 Lexus LS 400 RWD

Question type: Maintenance & Repair

fuel is running out exhaust pipe on drivers side when RUNNING, injectors tested by pro ok surge dampa replaced- how can fuel get in exhaust anyone with knowledge please help!

2 Answers

84,375

Obviously there is either too much fuel or a combustion problem. Your fuel pressure regulator, is it OK? What is the pressure reading of the fuel pressure with engine running? How about valves, etc? Something is allowing unburnt fuel to escape. Is the engine running OK? Possible misfiring cylinder might cause this. But it definitely sounds like it's getting TOO MUCH gas.

2 people found this helpful.
10

Are you sure it's fuel and not water that smells like gas? Did you collect some and light it with a match? All cars with catalytic converters normally drip some water from the exhaust when running and that water often smells like gasoline. I'm thinking that the car would burn all the fuel you feed it. If it were running "rich" it would blow black smoke, not drip fuel from the exhaust.

1 people found this helpful.

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