Question about 1989 Chevrolet Celebrity

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Faild smog running to rich

My 89 chev celebrity failed smog for running to rich an the pressure test in the gas fiiler tube . if i was lossing pressure in the gas tank would that send a false message to a sensor to make my car run rich?

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  • anthony_varg Sep 09, 2009

    what does that mean! whats the solution ?



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1 Answer

The car won't pass smog check the computer says it's running to rich on the right and left bank

Diagnose the fuel trim issue

Need professional tools & knowledge

Running Lean & driven rich-- would be my guess

Vacuum leak,O2 problem,many possibilities,failed converter,
spark plugs,coils & on & on

Have to work on them a few times a year
Can't just drive till you have a problem

You do not go to inspection until you road test & look to see
if the Emission Monitors run, or you know you will fail

Need 7 of 8 monitors,the evap system, they can check the gas cap
if hasn't run

Aug 09, 2014 | Cars & Trucks

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Got 93 chev silverado 5.7ltr which is running rich(complete opposite of the owner).Any ideas in how to solve?

tune up could help,fuel pressure test, O2 sensor test by scanning do you know is running rich

Sep 16, 2013 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

Gas in oil, flooding, no power

Don't run engine. Loss of power can be from washed out cylinders from gas bath. Friction also increases and engine will seize.

Check fuel pressure at fuel rail for excess pressure. Dirty injectors can fail to close. They put a pressure gauge on system and then check for a bleed down.

You can borrow some tools from big autoparts chains.

Drain oil and change filter. Temperature controls on engine can fail and keep engine too rich.

Jan 05, 2013 | 2001 Chrysler Voyager

1 Answer

Why is my 89 ford bronco running so rich

I saw what you replaced, didn't see any testing? Any applicable trouble codes?
Did you use a gage and check proper fuel pressure? My info on that engine size, said 35--45 psi. If the fuel pressure is too high, check the return line. As far as the fuel pressure regulator, do you have vacuum?

Jun 17, 2017 | 1989 Ford Bronco

1 Answer

I have an 89 lincoln town car. when i drive i smell gas. what could be the problelm?

Sounds like it may be running rich. Replace your upstream oxygen sensor if its been over 6 months to a year.

Check your fuel pressure regulator and make sure it isn't wet, which means the seal may be leaking. Also, check your fuel line hose and fuel return hose for leaks going into the fuel rail.

I would also check the fuel injectors for any leaks.

Sometimes, the EGR, exhaust gas recirculation valve and tube may get clogged with carbon, if all else fails I would check and make sure it is not clogged.

Feb 12, 2010 | 1989 Lincoln Town Car

1 Answer

No smog

a bad sensior on the thottle body

Jul 26, 2009 | 1989 Jeep Wrangler

2 Answers

Running rich.

The next step is the throttle position sensor.

May 01, 2009 | 1989 Chevrolet Celebrity

1 Answer

Why types of problems would my 89 chevy celebrity have if the main computer was bad? would it run rich?

Yeah, and a lot of other stuff. And I thought I was bad with an 89 Ranger. At least it's a truck. I do find some really good suppliers on e-bay that can still find parts.

Apr 27, 2009 | 1989 Chevrolet Celebrity

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