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PostPosted: Mon Mar 24, 2014 11:57 pm 
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Joined: Mon Mar 24, 2014 11:26 pm
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Location: idaho
new to the form just did a engine swap on my buggy. I went from a 2000 geo 1.0 five speed to a 2001 suzuki swift 1.3 16v sohc with a auto. this 1.3 should scream but it sucks no power. the only codes that come up was one for the fuel sending unit witch is not hooked up and a evap code.

things I have checked=
cam timing
compression=165psi
fuel pressure=35psi
adjusted valves
checked for vacum leaks
new plugs & wires=NGK
cleaned throttle body

performance mods=
2"exhaust with custom header
over sized intake with a K&N

Any help would be great.


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PostPosted: Tue Mar 25, 2014 5:03 am 
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This may be a dumb question but you did change the ECU didn't you? 165 comp sounds like it may be a little low but I'm not familiar with those engines. Check to see if your timing is advancing as you rev it. It's not much but it's a start.

Another thing is the auto sucks for performance compared to a 5 speed. Unless you "build" the engine I doubt you'll see a performance gain and it will still be less than a 5 speed.

I've had 1.0 and 1.3 sohc engines and although they are older models, they were in good running condition. I didn't see as much of an increase in performance as I expected.


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PostPosted: Tue Mar 25, 2014 6:24 am 
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The 1.3 16V is a huge step up from a 3 cyl, even if it is auto.

What fuel pump did you use? The 3 cyl pump won't do the job.

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PostPosted: Tue Mar 25, 2014 10:13 am 
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Location: idaho
top down@-40 wrote:
This may be a dumb question but you did change the ECU didn't you? 165 comp sounds like it may be a little low but I'm not familiar with those engines. Check to see if your timing is advancing as you rev it. It's not much but it's a start.

Another thing is the auto sucks for performance compared to a 5 speed. Unless you "build" the engine I doubt you'll see a performance gain and it will still be less than a 5 speed.

I've had 1.0 and 1.3 sohc engines and although they are older models, they were in good running condition. I didn't see as much of an increase in performance as I expected.


The ECM is out of the 1.3l. I don't think the five speed ECM will work with the automatic.
I did put a timing light on it and it was advancing.


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PostPosted: Tue Mar 25, 2014 10:25 am 
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Location: idaho
suprf1y wrote:
The 1.3 16V is a huge step up from a 3 cyl, even if it is auto.

What fuel pump did you use? The 3 cyl pump won't do the job.

I checked the fuel pump for the 1.0 and it was the some part # as the 1.3. I am uses the fuel pump out of the 3cyl.

Something I forgot to add is when the fuel pressure gauge was hooked up. I snapped the throttle and the pressure went up to 48psi. I would have thought it would have dropped a little.


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PostPosted: Tue Mar 25, 2014 12:07 pm 
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I'm also running fresh non-ethanol gasoline.


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PostPosted: Tue Mar 25, 2014 12:46 pm 
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Location: Brantford, Ontario, Canada
Fuel pump on a 1l is not the same as a 98+ 1.3
98+ is mpfi not tbi

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PostPosted: Tue Mar 25, 2014 1:57 pm 
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Location: idaho
I checked O'Reilly's part numbers for the 3cyl and 4cyl part # was the same. I did however swap out the pumps and no change. they looked exactly the same.


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PostPosted: Tue Mar 25, 2014 5:39 pm 
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on the older cars, there is a distinction between the tbi and mpfi fuel pumps. there's also huge performance differences. the fuel pump for the turbo3 and twincam engines (mpfi back in the day) is much larger physically.

i know from experience that on the older cars you can't use the pump for the tbi engines on the mpfi engines but you can use the mpfi pump on the tbi engines.

if i'm not mistaken, the red injectors on the g13bb are 190 cc/min like the twincams' black injectors.

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PostPosted: Tue Mar 25, 2014 9:17 pm 
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Location: idaho
Borrowed a snap on scanner today to check it out. The rpm is at (4) and the suggested RPM is irratic it goes from 344 to 1,898 :vibe: my tac on the buggy is working great. This makes no since.


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PostPosted: Mon Apr 07, 2014 6:56 pm 
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Location: idaho
Can anyone help me with this?


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PostPosted: Mon Apr 07, 2014 10:32 pm 
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Location: Brantford, Ontario, Canada
Did you change the fuel pump yet?

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PostPosted: Mon Apr 07, 2014 11:13 pm 
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Location: Alberta, Canada
If he has lots of fuel pressure, the pump is doing its job. Were you able to confirm the fuel pressure stays up while under load? Does it start/run/idle properly?
I've spent thousand of hours on these cars over the years, but only a small amount of that on the 1.3 16v's. They are nearly bulletproof, and the efi system seemed near perfection by that point. Sensor issues were nil, idle controls rock solid, etc.
You covered the basics in a previous post, all the things I would have suggested. Particularily cam timing. It's the number one thing that would make this engine a dog other than restricted intake, exhaust, or lack of fuel. Is exhaust wide open? No chance of something weird plugging it? Air intake clear and free, no rag stuck in it or something? I would be chasing that sort of thing.
Further from that, I guess there's a chance of a wiring issue, but from your deescription, you have it swapped nicely and running with data on scanner. Should mean the computer is happily doing its job.
Did you swap map sensor from the 16v donor car? That's the main sensor for that efi system, so make sure it's got the correct one and not a g10 sensor(I don't know for a fact if they are different but fairly sure).
Start with all that and report back, I'll try and offer what advice I can using my past experience.

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1995 Gt Mustang "Boss Shinoda" package.
1999 F150 4x4 Supercharged
1967 Mustang 428 auto, never ending expensive project
1993 Civic si h22a, fell in my lap, couldn't resist!


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PostPosted: Wed Apr 09, 2014 12:31 pm 
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Location: idaho
crnolic wrote:
Did you change the fuel pump yet?

I did swap out the fuel pump. No change:(


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PostPosted: Wed Apr 09, 2014 1:05 pm 
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Location: idaho
This is the problem. I just can't figure out what is cousing it. Single digit rpm's???
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PostPosted: Wed Apr 09, 2014 1:19 pm 
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Location: idaho
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PostPosted: Wed Apr 09, 2014 1:26 pm 
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PostPosted: Wed Apr 09, 2014 1:42 pm 
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Location: Alberta, Canada
I can't help you without you answering even one question from my post offering a lot of insight into basics that need to be made clear in order to offer further advice. I'm not looking at the vehicle, if I was it would be easy to fix it. With zero input from you, theres no point in attempting to offer advice. Does it start and idle properly???!?

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1995 Swift w/16V 4.39s, 3tech cam, Esteem t-body, Header, needs more.
1995 Gt Mustang "Boss Shinoda" package.
1999 F150 4x4 Supercharged
1967 Mustang 428 auto, never ending expensive project
1993 Civic si h22a, fell in my lap, couldn't resist!


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PostPosted: Wed Apr 09, 2014 3:09 pm 
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Joined: Mon Mar 24, 2014 11:26 pm
Posts: 13
Location: idaho
It starts and runs smoothly and it revs up. It just revs up slowly and has no power, as if it's a wore out engine. I just did another compression test it was 165lbs straight across. My fuel pressure is awesome steady 35psi at Idol and if you give it any throttle at all it jumps up to 40psi.

The only reason why put the pictures up is so you can see the exhaust and intake to get a better idea of what you're looking at.


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PostPosted: Wed Apr 09, 2014 3:16 pm 
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Joined: Mon Mar 24, 2014 11:26 pm
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Location: idaho
I also checked cam, crank and map sensors and they were working perfectly. I also checked the map sensor it was the right one.


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