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Old 02-01-2005, 12:43 PM
Canabalooza Canabalooza is offline
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Gas Smell

Got my car maybe 5 months ago. Been running it fine till last month. i changed out my o2 sensor for the 3rd time and it really smells like gas when i stand by the back of my car. changed my plugs and wires. figured id ask what to check. a guy told me maybe its dumping too much gas into my engine but i woudlnt know what to check to see if it is. all i know is i get crappy mileage and it smells horrid. any ideas thanks in advance.
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Old 02-01-2005, 02:30 PM
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Re: Gas Smell

getting any cel's ?
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Old 02-01-2005, 03:51 PM
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Re: Gas Smell

Air filter clean/new?
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Old 02-01-2005, 06:07 PM
midrange midrange is offline
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Re: Gas Smell

yo usay when your behind your car.. is it like a smell as if you were at a gas station.. or is it coming out the exhaust? Basically fresh gas smell or semi burnt(?) kinda smell?
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Old 02-05-2005, 09:25 PM
Canabalooza Canabalooza is offline
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Re: Gas Smell

semi burnt. its the stinkey old gas smell you get. not the fresh gas smell. it comes out the exaust and my ecu is throwing code 1 the o2 sensor it only comes on every once in a while but the ecu saves the code the whole time. i replaced my o2 sensor 3 times now and it still smells like gas. trying to find out if something is leaking or not but i dont know where to start.
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Old 02-08-2005, 09:59 PM
Canabalooza Canabalooza is offline
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Re: Gas Smell

Just Checking back to see if anyone has any ideas?
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Old 02-09-2005, 11:34 AM
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First, clear the ecu by disconnecting the battery, and leave it off for awhile. Secondly, have you tried changing the distibutor cap and rotor?
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Old 02-09-2005, 12:50 PM
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Have you checked your catalitic converter?
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Old 02-10-2005, 12:13 AM
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check what your fuel pressure is at. have you checked every plug to see for a fact that their all getting spark?
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Old 02-11-2005, 11:30 PM
Canabalooza Canabalooza is offline
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Re: Gas Smell

how do i check my fuel pressure? and what should i look for in my cat? the plugs are new and i know all of the wires are sparking plus the engine purs. just smells like gas. ill try and change my rotor cap and button next paycheck.
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Old 02-12-2005, 02:47 PM
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Re: Gas Smell

does the engine smell like gas all the time or when it's hot or cold.

If it's hot when it does it, you might want to check your TW sensor (if it has one, my honda did). This caused it to smell really bad due to my sensor thinking that my car was alway cold, therefore, dumping in more fuel.
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Old 02-12-2005, 02:54 PM
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Re: Gas Smell

Could also be a faulty/broken injector that's leaking gas all the time - could have cracked or something. I'd check those too.
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Old 02-12-2005, 04:09 PM
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Re: Gas Smell

Sometimes a plugged catalitic converter will smell like sulfur and a sharp decrease in mileage and performance will occur. Most service centers can test the back pressure in your exhaust system
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Old 02-14-2005, 12:57 PM
Canabalooza Canabalooza is offline
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Re: Gas Smell

ok so i just went to get emmisions tested. i passed thank god. on everything i was way low compared to normal. during the 2500rpm test i tested 95 out of 225 on the HC(PPM) or whatever it is. but at idle i tested at 195 out of 225. still passed though. anyway im gonna go down to my local shop and get some stuff tested the guy said he would look at the cat and the injectors for free so since i know him ill prolly only have to pay for parts.
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Old 02-14-2005, 10:59 PM
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i dont understand why it smells like gas so bad if your hydrocarbons are so low.
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