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post #1 of 19 (permalink) Old 10-20-02, 05:58 PM Thread Starter
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Please Help!!!!!!!!!!!

I have an EA II Falcon S, it is CFI. The problem is when I first start her up in the mornings it runs very smooth then after about 15-20 seconds she runs very rough until warmed up, Oh but always starts first go.

It has always done it since I have owned it.

I have done

New 2.5" exhaust, hi flow lukey muffler - - - same old cat and manifold.

All leads are fine

New spark plugs

New hydraulic lifters

New head

New timing chain and all other related parts

New radiator

New clutch fan - - - thermos coming soon

Fully synthetic oil - - - not contaminated by water (water not contaminated by oil either)



When I start the car it spits black water out the exhaust, when the car has been running for about 5 min it runs smooth as.

Could it just be a blocked cat?

Can someone help its driving me crazy!!!!!!!!!!!!!!


Jason


Good by my EA S Pack


never late in a V8

comming soon
K&N air filter
XR8 intake snorkle
High flow exhaust/cats/hm headers
Clear front & side indicators
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post #2 of 19 (permalink) Old 10-20-02, 08:14 PM
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probably just a faulty sensor somewhere...

EL driver...
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post #3 of 19 (permalink) Old 10-21-02, 05:11 AM
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clogged air cleaners can cause this.

Regards Blue
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post #4 of 19 (permalink) Old 10-21-02, 05:47 AM Thread Starter
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I will try it tomorrow with the air cleaner off. The air cleaner is only 12,000kms old, how often do you change it?

Why would it become smooth after about 5 minutes of running?

Good by my EA S Pack


never late in a V8

comming soon
K&N air filter
XR8 intake snorkle
High flow exhaust/cats/hm headers
Clear front & side indicators
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post #5 of 19 (permalink) Old 10-22-02, 01:47 AM
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I reckon it is probably the O2 sensor, especially if it is the 2 wire model. How much water is coming out?

"I married Miss Right. I just didn't know her first name was Always."
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post #6 of 19 (permalink) Old 10-22-02, 05:14 AM Thread Starter
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The O2 sensor was replaced about 3000Kms ago. It is the 2 wire sensor and a lot of water does comes out.

Good by my EA S Pack


never late in a V8

comming soon
K&N air filter
XR8 intake snorkle
High flow exhaust/cats/hm headers
Clear front & side indicators
speedy is offline  
post #7 of 19 (permalink) Old 10-22-02, 05:49 AM
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I live in Bibra Lake and the midgies mean its (changing the air cleaner) a twice a year job. It about dust and bugs not KM.

Regards Blue
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post #8 of 19 (permalink) Old 10-23-02, 05:21 PM Thread Starter
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Aussiblue, I live in Yangebup and the midgies are a pain here too. I started my car the other morning with the air cleaner off and it made no difference. Could it be a vacuum leak?

Thanx for your help guys!!!!


Jason

Good by my EA S Pack


never late in a V8

comming soon
K&N air filter
XR8 intake snorkle
High flow exhaust/cats/hm headers
Clear front & side indicators
speedy is offline  
post #9 of 19 (permalink) Old 10-24-02, 04:41 AM
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Try clean the temperature sender.
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post #10 of 19 (permalink) Old 10-24-02, 05:45 AM Thread Starter
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abolone, I also thought that might make a difference so I cleaned it about 3 months and is no better.

Its got me, I have no idea!!!!!!!

Good by my EA S Pack


never late in a V8

comming soon
K&N air filter
XR8 intake snorkle
High flow exhaust/cats/hm headers
Clear front & side indicators
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