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International Automotive Technicians Network
Re: Are these spikes in these waveforms acceptable or a problem?
Posted to Technical Discussion Forum on 2/20/2002

[...trimmed text...]

Just read your post again. Judging form the Fuel trim values, I'd definitely be looking at the load inputs (MAF, etc.) or a fuel supply problem.

You might want to e-mail Mike Cleary. He's a Ford tec... Login to read more.