EFI problems, can someone help? - Aussie V8 | Holden - Ford

hsvtj · 28-07-2008, 08:51 PM

hi, i have a 202EFI in a VK wagon,
recently it has started playing up on me. whenever i first start driving it round it is really sluggish, and after a few seconds of keeping the accel open the a consistent amount, it suddenly gets a rush and takes off.. also around the 80-90 km/hr mark it suddenly loses all power, starts to die and the engine sounds kinda like a subaru (not running on all cylinders??)

its a bit of a problem coz it always happens to me when i am driving to work and to uni, and i have to stop, pull over and turn the car off.. start it again and keep revving until the problem slowly goes away. any suggestions would be welcome rather than having a total stab in the dark or getting someone to charge me heaps for it.

thanks in advance

76lxhatch · 29-07-2008, 03:19 PM

The VK EFI system is very simple - get hold of a workshop manual and a multimeter, the manual will tell you a number of tests you can do with the multimeter that will pinpoint problems with different components. I have one here if you get stuck.

hsvtj · 29-07-2008, 04:40 PM

ok, cool i might do that. we have been racking our brain and tried a few different things on it. i have heard the airflow meters in the air intake can cause issues, could it cause this kind of problem in the car??

im hoping i can sort it out nice and quick coz i want to sell it soon, but id rather sell it running properly

76lxhatch · 29-07-2008, 04:43 PM

The air flow meter is often a cause of problems, could also be a number of other things though including just a dodgy wiring connection.

hsvtj · 29-07-2008, 04:51 PM

yeah, not sure coz it only happens in the first 5 - 10 mins of starting the car and seems to happen more so when its cold. but i really dont know, im taking guesses

wabbit · 29-07-2008, 07:10 PM

did these have the vane style AFM?

a can of carby cleaner on the sensors and AFM works wonders as basic maintenance, unless somethings a bit second hand on most EFI systems

hsvtj · 29-07-2008, 08:57 PM

Quote:

Originally Posted by wabbit

did these have the vane style AFM?

a can of carby cleaner on the sensors and AFM works wonders as basic maintenance, unless somethings a bit second hand on most EFI systems

ill give that a shot too. ive had it for over a year and its only been happening for about 2-3 months, progressively getting worse, so it could be the sort of thing you guys discussed..

allports · 29-07-2008, 09:24 PM

Have you checked the fuel pressure?

hsvtj · 30-07-2008, 02:54 PM

Quote:

Originally Posted by allports

Have you checked the fuel pressure?

how do i do that??

76lxhatch · 30-07-2008, 03:35 PM

The workshop manual tells you how to check the fuel pressure too...

28-07-2008, 08:51 PM	#1 (permalink)
hsvtj casual poster Trade Rating: (0) Join Date: Feb 2006 Location: Berwick Ride: VK Berlina Wagon, EFI 6 Posts: 60	EFI problems, can someone help? hi, i have a 202EFI in a VK wagon, recently it has started playing up on me. whenever i first start driving it round it is really sluggish, and after a few seconds of keeping the accel open the a consistent amount, it suddenly gets a rush and takes off.. also around the 80-90 km/hr mark it suddenly loses all power, starts to die and the engine sounds kinda like a subaru (not running on all cylinders??) its a bit of a problem coz it always happens to me when i am driving to work and to uni, and i have to stop, pull over and turn the car off.. start it again and keep revving until the problem slowly goes away. any suggestions would be welcome rather than having a total stab in the dark or getting someone to charge me heaps for it. thanks in advance __________________ ___________________________________ ******************************* has anyone got a 202 for rebuilding.. i wants one

29-07-2008, 04:40 PM	#3 (permalink)
hsvtj casual poster Trade Rating: (0) Join Date: Feb 2006 Location: Berwick Ride: VK Berlina Wagon, EFI 6 Posts: 60	ok, cool i might do that. we have been racking our brain and tried a few different things on it. i have heard the airflow meters in the air intake can cause issues, could it cause this kind of problem in the car?? im hoping i can sort it out nice and quick coz i want to sell it soon, but id rather sell it running properly __________________ ___________________________________ ******************************* has anyone got a 202 for rebuilding.. i wants one

29-07-2008, 04:51 PM	#5 (permalink)
hsvtj casual poster Trade Rating: (0) Join Date: Feb 2006 Location: Berwick Ride: VK Berlina Wagon, EFI 6 Posts: 60	yeah, not sure coz it only happens in the first 5 - 10 mins of starting the car and seems to happen more so when its cold. but i really dont know, im taking guesses __________________ ___________________________________ ******************************* has anyone got a 202 for rebuilding.. i wants one

29-07-2008, 07:10 PM	#6 (permalink)
wabbit smell something burning? Trade Rating: (0) Join Date: Oct 2004 Location: Rockhampton Ride: VK Commy slugmobile, Kia Rio, LH Torry Posts: 6,079	did these have the vane style AFM? a can of carby cleaner on the sensors and AFM works wonders as basic maintenance, unless somethings a bit second hand on most EFI systems __________________ Nothing to see, here Move along, please .

29-07-2008, 09:24 PM	#8 (permalink)
allports Engine scientist Trade Rating: (1) Join Date: Jun 2007 Location: Sutherland Ride: Dragster Posts: 3,112	Have you checked the fuel pressure? __________________ If you plant a cucumber, you get a cucumber! Two things are infinate,the universe & human stupidity, and Im not sure about the universe. Albert Einstein Without deviation from the norm, progress is not possible. Frank Zappa

29-07-2008, 03:19 PM	#2 (permalink)
76lxhatch Sure why not? Trade Rating: (0) Join Date: Jan 2007 Location: Nelson NZ Ride: SS Torana Posts: 1,768	The VK EFI system is very simple - get hold of a workshop manual and a multimeter, the manual will tell you a number of tests you can do with the multimeter that will pinpoint problems with different components. I have one here if you get stuck.

29-07-2008, 04:43 PM	#4 (permalink)
76lxhatch Sure why not? Trade Rating: (0) Join Date: Jan 2007 Location: Nelson NZ Ride: SS Torana Posts: 1,768	The air flow meter is often a cause of problems, could also be a number of other things though including just a dodgy wiring connection.

30-07-2008, 03:35 PM	#10 (permalink)
76lxhatch Sure why not? Trade Rating: (0) Join Date: Jan 2007 Location: Nelson NZ Ride: SS Torana Posts: 1,768	The workshop manual tells you how to check the fuel pressure too...

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