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SVT Performance (2002-2004) The place to chat about any 2.0L SVT DOHC Zetec engine performance, tuning and exhaust related upgrades.

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Old 07-15-2016, 07:43 PM   #1
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Just bought a 2002 SVT. Question...

Hey guys, I'm new to the forum and also new to this car. I got it for dirt cheap ($1,000) from a buddy who moved across the country. My problem is that when i first start it and it is idling, there is some smoke coming out of the exhaust. The smoke smells like gas, which tells me it's running rich. I'm told the motor has a lot of newer parts; one of which is after market cams. I have no idea what the specs of the cams are. I did notice that the air filter is aftermarket but the air intake pipe is stock so the line from the valve cover that goes to the air intake isn't hooked to anything. I have yet to hook the car up to a scanner to check the codes, but the check engine light and ABS light are on.

I guess I'm asking, what the steps should be to going over the car and getting it running smooth. The car is pretty sluggish off of idle but after 3000-3500 rpm it really opens up. After it is warmed up, it stalls a lot of the time. I apologize for the long post lol


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Old 07-15-2016, 09:24 PM   #2
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Moved from Zetec Performance to SVT Performance (quite different setups).

Most troubles prob. belong in General Tech Chat, but adding in the possible aftermarket cams adds a Performance part aspect - and additional possible issues.

The PCV system hose from the valve cover needs a filter on it if not attached to a stock air box with a filter for it inside BTW - don't need dirty air in the engine.

Performance part wise, if it DOES have different cams it also needs a "tune" and it SHOULD have come to you with a flasher/scan tool and info. on who tuned it.
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Old 07-15-2016, 11:57 PM   #3
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Thank you for the reply sailor. I know exactly what ur talking about with the little air filters that go on the valve cover. I think they're readily available.

As far as a tuner coming with the car, it DID NOT. What do u guys suggest? Getting a dyno tune or buying a programmer? Do I risk hurting anything if I drive it here and there? I will plug the PCV hole with a filter before I drive it again.

I would also like to add that it does have full exhaust. Headers back. I'm unsure if it has a catalytic converter or not. I was also told that the timing was advanced. Am I correct in assuming that IF the car has never had a programmer plugged into it, then a cam gear has been changed to advance the timing.
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Old 07-16-2016, 12:17 AM   #4
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Oh Lordy...

Well, the ignition timing can only be changed with a tuner attached to it. Cam timing of the intake would show as a CEL fault (unless turned off with a tuner) but the exh. cam isn't monitored.

Running rich should show up as a CEL as well BTW, though I'd look at the spark plugs to check on possible oil burning evidence. Generally a good quick check of how it's running.
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Old 07-16-2016, 12:19 AM   #5
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Quote:
Originally Posted by Adeezy9183 View Post
Thank you for the reply sailor. I know exactly what ur talking about with the little air filters that go on the valve cover. I think they're readily available.

As far as a tuner coming with the car, it DID NOT. What do u guys suggest? Getting a dyno tune or buying a programmer? Do I risk hurting anything if I drive it here and there? I will plug the PCV hole with a filter before I drive it again.

I would also like to add that it does have full exhaust. Headers back. I'm unsure if it has a catalytic converter or not. I was also told that the timing was advanced. Am I correct in assuming that IF the car has never had a programmer plugged into it, then a cam gear has been changed to advance the timing.
Get it tuned!
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Old 07-16-2016, 12:39 AM   #6
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I've looked at the plugs and they're good. What do you guys recommend for a tuner?
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Old 07-16-2016, 12:51 AM   #7
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Look at Tom's tuning, you'll find him here as 1turbofocus with a Vendor listing as Focus Power.

Do you know when that car had it's cam belt done? Over 80k miles or 5 yrs. between changes is about the safe maximum.

If it jumps timing, strips teeth or outright breaks the engine gets trashed. Replacing at least some valves is the typical minimum damage.

Top priority to make sure it's correct on a used SVT.
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Old 07-16-2016, 01:16 AM   #8
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It supposedly had a valve job with new timing chain right before I bought it but I plan on going over everything real well. Thanks again for the replies.
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Old 07-16-2016, 05:54 AM   #9
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Hope they didn't actually tell you that.

Since it doesn't have a timing chain, saying one was replaced is a bit suspect. I'd question any commercial facility who claimed to have done that.
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Old 07-16-2016, 07:03 AM   #10
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I can help with your tuning and the flasher you get is also a scan tool and datalogger where we can check all the sensors and see how the fueling and timing is

You said it was sluggish till about 3000 ish , have some one turn on the key and start the engine , watch the IMRC cable that is connected to the intake manifold below the throttle body , some SVT move with key on and some move when you start the engine , if you find the cable and it doesnt move then the IMRC isnt working and will make the SVT engine very sluggish below 3500

SPK Plugs I would do a set of Motorcraft SP463 plugs gapped .050-.055

The SCT XCAL4 flasher , full custom tuning , free tune updates as you add more NA mods , datalogging services , shipping and paypal fee is 462.00

Let me know what questions you have

Tom
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