| Briggs Cabbi |
Wed Jun 25, 2008 4:55 pm |
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| I own a 91 cabrio and it has an idling problem when you frist start the car up. Once you get it into drive (its an automatic) it occasionally will have... what I call a "stuttereing" problem. It seems to me almost like gas isn't going anywhere. I can sit there and hit the gas and I'll only be going 10 mph. Or I'll be driving fine say at, 55 mph and suddenly I won't be recieving any gas and my rpm's drop and then my speed does as well. I NEED HELP =] THANK YOU. |
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| glutamodo |
Wed Jun 25, 2008 5:01 pm |
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You need to check the in-tank fuel transfer "lift" pump to see if it's functioning. When they die, and they have about a 10 year reliable lifespan, the main pump has to work a lot harder to get fuel out of the tank and then running issues develop. The transfer pump is supposed to deliver 13 ounces per 10 seconds. It's a high-volume low pressure pump, the main fuel pump is a the opposite, a high pressure, lower volume pump. Personally, if I have a car that has a transfer pump that's much over 10 years old I'd at least carry a replacement with me, or go in and replace it.
It also sounds not unlike a typical fuel distributor issue. They get gunked up with age and don't flow to all the injectors very well. Usually they run poorly when first started then the more times you rev it up the better it runs. Fuel injector cleaner sometimes helps out with it. You might have a combination of the two conditions.
-Andy |
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| roo782 |
Thu Jun 26, 2008 8:13 am |
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| also look at the fuel filter my rabbit did that to me, now i went through 5 fuel filters then changed my gas tank. |
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