Question about 1996 Cadillac DeVille

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1996 cadillac deville runs for a while at idle but hesatates at a certain point of acceleration then proceeds to stall and wont start for a while. now the b2s2 O2 sensor is reading lean and has been replaced along with most of the sensors related to the emissons system, so what is the problem?

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Sounds like a fuel delivery concern. Check fuel presssure at the injectors or fuel rail if possible (or any other point access), first. Also, Check fuel quality (if you have a kit to do so). You are loooking for ethonal levels not to be too high. The fuel quality these days is terrible and they are mixing in a lot more ethenal as a filler. You may need a fuel pump.

Posted on Jan 12, 2009

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Hello rileystephan

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 1996 Cadillac DeVille, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link to:
How to diagnose an overheating Cadillac engine

Anyways, if that helps you, then you can even follow me on Twitter, for more great tips and tricks that will help you save a ton of money on car repairs. That one is at: twitter.com/acoates23234

Thanks for asking, and good luck!

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