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#1
12-13-2007, 11:53 AM
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94 Astro won't start unless add starting fluid
I have 94 Astro with Vortex 4.3 engine. It doesn't start unless I open the trottle body and spray starter fluid directly into it. Then it runs just fine, but once it's turned off, it won't start again unless I repeat the above operation. I had a new fuel pump put in last year, so the pressure is fine. No leaks. Complete tune-up was done this spring.
Any suggestions? Thank you. Last edited by suviksuvik; 12-13-2007 at 02:49 PM. 
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#2
12-13-2007, 01:38 PM
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Re: 94 Astro won't start unless add starting fluid
A fuel pressure check is in order-- System needs 61 psi to start-- a little less to run....like as low as 54 psi or so- so have the fuel pressure checked- if low, then you either have a leak- or a fuel pump on its way out....if pressure holds after key on then off- then I'd say the fuel pump is bad-- if pressure drops like a rock-- then you have a leak.
__________________
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
12-13-2007, 02:52 PM
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Re: 94 Astro won't start unless add starting fluid
brcidd
Thank you very much for your quick response, but I don't think it's either of the problems you've mentioned because i have a new fuel pump and smell no leaks. Do you have anything else in mind? Thanx.
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#4
12-13-2007, 07:30 PM
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Re: 94 Astro won't start unless add starting fluid
brcidd is right, no doubt about it, low fuel pressure.
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#5
12-14-2007, 01:28 AM
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Re: 94 Astro won't start unless add starting fluid
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