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1998 GMC Suburban 1500

Question: engine stalls

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gemstone, 5.7L V8, Goodyear, AZ, February 11, 2009, 21:10

Rookie

I have a problem with the truck engine dying while going down the road acts like fuel pump(just replaced 5 days ago). engine lite checks catylic converters (replaced also 5 days ago)oxigion sensors in pipes replaced 5 days also.
question: mass air flow sensor, what would the engine act like

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Answer #1

rchavez February 12, 2009, 18:41

Technician

Loss of Ignition Spark could be a possibility for Engine stalling. Ignition Module could be heating up causing Intermittent Spark signal. Another possibility Fuel Pump Relay could be shutting down your Fuel supply. Very common problem for Fuel pump relay to fail. You may want to have a qualified mechanic perform an Electrical inspection of this Items.

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