Crank no start Has fuel Has Spark.
So I developed an issue on my unreliable z. I was getting all three 02 codes so I replaced them all and it was fine for a few months. Now I got all three and an maf and I deleted them. It was getting hard to start some days I would crank a while and send a puff of smoke out of the throttle body. Then start and Monday I get in and it just cranks sputter crank sputter. Won't start. Here's a list of things I've replaced.
- spider injector a day old - rotor and cap a day old - fuel pump 11 months old - plugs and wires 6 months old - 02 sensors 4 months old - battery and alt 6 months old I'm getting 62psi at the rail and it holds for a few minutes. I put a spark checker and I'm getting spark out of the coil and into every plug. So I'm getting spark and I'm getting fuel. Please help me. Its an 01 ZR2 Blazer. |
i have the same problem with a 98... just bought it for 500 and know nothing about it except it dont run... really dont want to swap the engine
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Fuel pressure at 62psi is good, does the pressure remain above 55psi for at least 10 minutes after the pump shuts off?
What brand of cap & rotor did you install? When you checked spark, was it able to jump 1/2" gap with a blue, not orange, spark? |
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