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Old Aug 5, 2005 | 11:07 AM
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choking when accelerating
hello everyone,
need help on my 89 3.0l. auto. my problem started a week ago. driving on a state freeway the van started choking while accelerating to a halt. engine is still running it just wont go. chokes when when gas is depress switch to neutral and slowly press on the pedal until it gets better and drove home for another 4 miles.
change a few things like spark plug wires, plug, dist. cap, distributor,air filter, fuel filter, and pcv. but did not do any good. i can drove it for a few minutes and it start choking again worst on a uphill.
i don't see any map/maf on a chilton manual
 
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Old Aug 5, 2005 | 11:21 AM
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Welcome!!!!

Just a guess but I'd check the fuel pressure. I'm sure other more experienced folks will chip in with their advise.
 
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Old Aug 5, 2005 | 12:16 PM
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Check for com puter codes and do an KOEO test.
 
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Old Aug 5, 2005 | 12:48 PM
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thanx tom,
i should have mention that i changed the fuel pressure regulator too.

enerxy
 
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Old Aug 5, 2005 | 12:52 PM
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thanx,
i'll do that today.
 
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Old Aug 5, 2005 | 01:26 PM
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When was the last time you change the fuel filter?
 
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Old Aug 5, 2005 | 01:41 PM
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just got back from autozone computer code check and all system pass
 
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Old Aug 5, 2005 | 01:42 PM
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two days ago
 
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Old Aug 5, 2005 | 01:50 PM
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Have you ran any fuel injector cleaner through it?
 
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Old Aug 5, 2005 | 02:06 PM
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no not yet
 
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Old Aug 5, 2005 | 02:50 PM
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I have Taraus SHO that was doing something like this, fuel pump was getting weak. It would work, but with low pressure.
 
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Old Aug 5, 2005 | 03:48 PM
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Thats why you need to check the fuel pressure. If your reading is low, replace the fuel filter. If it is still low, replace the fuel pump.
 
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Old Aug 5, 2005 | 09:27 PM
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Could also be a plugged catalytic converter.
To test it you can unbolt the y-pipe from the manifolds and drive it.
 
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Old Aug 5, 2005 | 10:33 PM
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I forgot about the Cat. That happened to my Miata. Fine at idle. Give it gas and it just wouldn't go. Try to rev the engine in neutral and see what happens.
 
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Old Aug 6, 2005 | 12:26 AM
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the cat might have done the job
thank you all for helping. the cat might have done the job. it drives ok now after cat removal.

enerxy
 
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