Running rich enough to smoke

Posey24 · Post by **Posey24** » February 11th, 2010, 3:32 pm

So when it did run it ran rich enought to smoke and fail a smog. Could bad timing cause this cuz my tensioner was bad at the time now it's gone any thoughts or things to inpect while the car isn't/can't run

_-Night-Shade-_ · Post by **_-Night-Shade-_** » February 11th, 2010, 3:37 pm

Posey24 wrote:Could bad ting cause this

Lots of tingz could cause this yo!

Posey24 · Post by **Posey24** » February 11th, 2010, 4:16 pm

I hate bad tingz lol I ment timing

wytbishop · Post by **wytbishop** » February 11th, 2010, 4:39 pm

Just because the tensioner is bad wouldn’t necessarily mean the timing would be off. The Tensioner only prevents the belt from skipping it only affects the timing a very small amount if it’s really loose. If the belt had skipped the engine wouldn’t run...or it would run so poorly you would know something was wrong.

Extreme richness could be a number of things. A bad injector could be dumping fuel although when they fail they are more likely to deliver less fuel not extra. A sensor (IAT, VAF or coolant temp) could be telling the ECU that the there is more air going in than there really is...or that the air temperature is much colder than it is. Try a different VAF. Try cleaning the TB.

Have you pulled the codes? That should be the first step.

Posey24 · Post by **Posey24** » February 11th, 2010, 5:05 pm

looked up how to pull codes but I may jus be stupid but I don't see anywhere on my gauges where a cel would be. I have a 92 gs could mine not have one

wytbishop · Post by **wytbishop** » February 11th, 2010, 5:13 pm

no...it's there. Put the paperclipp in and turn the key on and you'll see it flashing.

Newfie_dan · Post by **Newfie_dan** » February 11th, 2010, 8:55 pm

he would see a check engine light unless the bulb is burnt out, I have seen that before.

Ryan · Post by **Ryan** » February 11th, 2010, 9:19 pm

Or someone took it out for him

Nd4SpdSe · Post by **Nd4SpdSe** » February 11th, 2010, 9:25 pm

Black Smoke - Fuel
Blue Smoke - Oil
White Smoke - Coolant

RX8SE3P · Post by **RX8SE3P** » February 19th, 2010, 3:48 am

Newfie_dan wrote:he would see a check engine light unless the bulb is burnt out, I have seen that before.

Or if you live in Australia or not America, because our MX-3's or 30x as they are called here don't show the check engine light for faults. Same for the MX6s and Probes here too.

wytbishop · Post by **wytbishop** » February 19th, 2010, 11:39 pm

Really??? How do you know if your ECU is angry?

RX8SE3P · Post by **RX8SE3P** » February 22nd, 2010, 4:59 am

wytbishop wrote:Really??? How do you know if your ECU is angry?

We have to use LED to test with all our ECUs.

MX-3.com

Running rich enough to smoke

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