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#1
05-15-2011, 03:20 PM
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S-10 wont start
My chev s-10 has been slow to start, now wont start at all, Cranks well wont start. Fuel pump and filter are good. replaced the cam shaft pressure sensor and the crank shaft pressure sensor. no luck, and ideas?
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#2
05-15-2011, 03:33 PM
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Re: S-10 wont start
An engine needs 4 things to start and run,
Fuel- is fuel pressure up to spec- measure it with guage Air- is throttle bypass, IAC open Spark- do you have nice hot blue spark- tested with spark tester? Compression- sure engine doesn't turn too easily? as in timing chain failure? Year and engine size would be nice-my crystal ball says it is a 2.2L- with a sloppy timing chain-- but I've guessed wrong before.
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#3
05-15-2011, 05:00 PM
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Re: S-10 wont start
Quote:
it is good to give vehicle details....engine/yr/mileage etc... squirt an ounce of fuel in the intake manifold see if it starts..take a plug wire off get old plug cranking engine blue spark ? why is fuel pump/ filter good ? how did you determine this ? what was the pressures...also did the fuel pressure hold on ignition off cycle... other items like a plugged exhaust can create a poor/no start.. the engine is a pump if it cannot exhaust it cannot suck in air/fuel... need more vehicle info to see what other stuff or testing required get DTC failure codes ..
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