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| sexyr6 |
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One of my mates owns a series 2 EA mont CPI, when driving around easy it will accelerate fine, but when you put the boot in to it, it will not accelerate at all, like its got a flat spot.. I have replaced the TPS's and it made no difference..any ideas on were to start looking?
cheers in advance 
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| naughtyfalcon |
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cfi is a good starting point,they don't like full throttle as there is only 2 injectors not 6.
convert to mpfi or just drive it normally.
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| sexyr6 |
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not really the answer im looking for
its not my car, just fixing for a friend..
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| naughtyfalcon |
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could be a lot of things.
injectors could be blocked,fuel pump,fuel filter,distributor,spark plugs,leads,motor could be on the way out,head gasket. start with the easiest first then go on from there.
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| sexyr6 |
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ok all fixed, replaced fuel pump.. good as new..
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| EDXR6-Poly |
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Sorry to hijack a thread but rather start another Ill ask my question here as its CPI related
I looked at a car today for a friend its a EB1 CPI auto the cars is great apart from it has a miss on CYL 5, they had replaced the dizzy/coil/leads/cap/rotor & ECU and still has a miss could it be possible that they installed a MPFI dizzin into it and due to being a CPI it has a miss?
_________________ AU2 engine with Hoppers head/cam performance package & spool rods / CP pistons ,Snort 1200 plenum, T56 Manual & Billet short shifter, Front & Rear Slotted rotors, Pedders lowered suspension, LSD and tuned with EMS stinger 4424 347rwkw THE ED XR6 IS BOOSTED |
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| mreb |
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its possible the dizzys are different or cylinder 5 has worn rings or dodgy valve maybe.
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
more then likely a burnt valve or a head gasket issue.
Bargain the price down, buy it, go to the wreckers get an EL head, intake, dizzy and ECU and go to town on it. |
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| TROYMAN |
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EDXR6-Poly wrote: Sorry to hijack a thread but rather start another Ill ask my question here as its CPI related I looked at a car today for a friend its a EB1 CPI auto the cars is great apart from it has a miss on CYL 5, they had replaced the dizzy/coil/leads/cap/rotor & ECU and still has a miss could it be possible that they installed a MPFI dizzin into it and due to being a CPI it has a miss? the dizzy could be the issue, i know the cfi has a different chopper wheel? to the mpfi. |
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| EDXR6-Poly |
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tickford_6 wrote: more then likely a burnt valve or a head gasket issue. Bargain the price down, buy it, go to the wreckers get an EL head, intake, dizzy and ECU and go to town on it. They only want $100 for it as it is? A/C is freezing cold no real leaks apatr from the rocker cover gasket at the front but theres no spark on No 5 lead. Swapped leads same thing Ill do a Comp Test tommorow, but pretty sure its not the head as its just had a new head installed less than 12 months ago. Just dont have a CPI dizzy here to check with a MPFI one to see the difference. (im not going to pull my ED MPFI one out just to check if its the same or different in the EB lol F*#k That.... Anyone got a few pics to show the differences? also is the TFI differerent from CPI to MPFI?
_________________ AU2 engine with Hoppers head/cam performance package & spool rods / CP pistons ,Snort 1200 plenum, T56 Manual & Billet short shifter, Front & Rear Slotted rotors, Pedders lowered suspension, LSD and tuned with EMS stinger 4424 347rwkw THE ED XR6 IS BOOSTED |
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| EL___Fairmont |
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R u sure it's a series II EA does it have a 4spd or 3spd auto. If it has 12D on the TBAR I would be checking the kick down cable on the throttle body for a 3spd auto.
Check also the throttle cable hasn't stretched.......
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| EDXR6-Poly |
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its a series 1 EB 4 speed auto CPI 3.9L. its definatly a EB1 I have checked the build plate.
_________________ AU2 engine with Hoppers head/cam performance package & spool rods / CP pistons ,Snort 1200 plenum, T56 Manual & Billet short shifter, Front & Rear Slotted rotors, Pedders lowered suspension, LSD and tuned with EMS stinger 4424 347rwkw THE ED XR6 IS BOOSTED |
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| arm79 |
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The only difference in the dizzys is the chopper wheel.
One tooth is shorter on the MPEFI than the CFI to indicate cylinder 1. But a MPEFI dizzy will work ok in CFI as it fires the injectors every revolution on the rising edge of the tooth regardless. And a CFI dizzy will work in a MPEFI, but the ECU fires all 6 injectors at once, so it just runs a little rich. Works, but isn't the best solution. |
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