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#1
10-22-2004, 06:59 PM
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1990 Safari Died HELP
My 1990 Safari has been running real rough and back firing. I had assumed it need new spark plugs but I don't know what can be wrong. I stopped for gas the other morning and was driving to work when I step on the gas to accelerate there was nothing. I didn't know what was wrong and pulled over. It had stalled out I guess. When I tried to start it it turns over but just won't start. There is no backfiring or anything just won't start. It is like there is no gas getting to the engine.
The guy who towed it said it could be a fuel pump or fuel filter but then somebody said it could be a timing chain. Does anybody have any knowledge of this problem? If it is the fuel pump is this a fuel pump in the tank or is it at the engine? 
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#2
11-09-2004, 02:39 AM
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Re: 1990 Safari Died HELP
it sounds like a timing chain broke on ya man
if it was a fuel pump it would have spit and sputtered on ya then died.to change it you will need to take the front grill out then take the front of the engine down to get at the gears. hope this helps
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#3
05-17-2006, 06:45 PM
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Re: 1990 Safari Died HELP
Before you make any assumptions you need to find out the basics. Do you have fuel pressure? and do you have spark? If you have both then maybe a timeing chain.
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#4
05-18-2006, 08:39 AM
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Re: 1990 Safari Died HELP
It won't run roughly with a broken timing chain, since it wouldn't run at all. It will run with a slipped timing chain, but that's not very common on SBC engines built after 1984. Further, there is no need to remove the radiator and grille to replace a timing set. And there are no gears. There is an inverted link chain and two sprockets. The only "gear" even possibly involved would be the gear cut on the back of the cam sprocket used to drive the balance shaft on later engines, and your 1990 262 doesn't have one.
The Coyote is correct. A quick way to check (and dismiss) the question of a timing chain is to bypass the EST and check base ignition timing. Once you've eliminated that, get out your fuel pressure tester and adapter to see if you have at least 11 PSIG fuel pressure. Before you go even that far, make sure you hear the fuel pump runs its two-second prime cycle when you turn on the ignition. Without that, testing fuel pressure would be futile. Geez! I just realized this is a resurrected thread from almost two years ago. I wonder if it ever got fixed.... 
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