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Help in the Atlanta area

 
  #1  
Old 12-16-2016, 07:45 AM
lanier1974
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Help in the Atlanta area

I posted this on the trucks forum, as it's a motor issue. Mine is a 1993 E-150 van, but the 4.9 I-6 is the same as the trucks, and I figured there would be more views here.

Are there any members in Atlanta who can check my timing, know a good mechanic, or can otherwise advise me?

I travel and live in the van rock climbing. I'm working construction now in Atlanta. I can fix many things, but don't have a timing light and have never done that.

Issue: had the van a few months. Its had a hesitation/miss that CAN stall the vehicle sometimes, just OFF-IDLE. If I gun it, doesn't happen. If I slide into the throttle very slowly, doesn't happen. Normal off idle acceleration, JUST off idle, it misses. Does it more cold motor than warmed up, but always there.

Also getting 13.5 mpg driving super easy hwy @65mph. C6/ 2.73:1 is worse than 4spd, but not that bad as rear end is so tall.

I changed the fuel filter, plugs, wires, coil, cap, rotor, o2 sensor, checked ignition module (via autozone compuer), checked TPS (via guide here w multimeter). NO change at all.

I then ran a few tanks of Seafoam and Lucas injector cleaner through it, and a can of intake cleaner spray while running. MPG went to 15.5.

Miss changed a LITTLE, but still there!

Some have advised my timing may be the issue. I don't have the capacity to check it. Plus, I wonder if someone more experienced w these older motors may know my off-idle miss/hesitation problem (which is see seems common on the forum with MANY causes) and may be able to quickly find it.

Any help guys?

Thanks
 

Last edited by lanier1974; 12-16-2016 at 07:49 AM. Reason: Spelling
  #2  
Old 12-16-2016, 03:19 PM
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a better move might be to pull codes. even if your 'check engine light' isn't on, there can still be codes waiting for you; and it doesn't cost anything. another place to look is at fuel pressure. we don't have this available in my area, but i understand that some parts stores will lend you a fuel pressure gauge at no charge, so that's something to check out.
 
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Old 12-16-2016, 03:39 PM
lanier1974
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I've been told by several mechanics that this old EFI system (93) doesn't show much useful info. None the less, I'll try and find an autozone that will read them.

hoping to be referred to someone who can help who really knows these trucks.
 
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Old 12-16-2016, 03:52 PM
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These computers tell tons of useful information if there's a hardware fault. AutoZone won't be able to read them.

You only need a paperclip and your eyes to check the codes.
 
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Old 12-16-2016, 04:12 PM
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Paper clip? Huh?

well I don't have a code reader so I still need a good mechanic.
 
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Old 12-16-2016, 04:37 PM
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Originally Posted by lanier1974 View Post

well I don't have a code reader so I still need a good mechanic.
Lilburn must be a suburb of Atlanta? You might call Mahdavi Motorsports, just google it to get the phone number.

Sam Madvahi, the owner, is the co-host of Sams Garage radio show live every Saturday morning on some radio stations nationwide.
 
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Old 12-16-2016, 04:45 PM
Lead Head
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Originally Posted by lanier1974 View Post
Paper clip? Huh?

well I don't have a code reader so I still need a good mechanic.
By jumping the self test connector under the hood, the check engine light will simply blink out any codes.

If you do a search for "Ford OBD 1 Codes", you'll find tons of guides.
 
 
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