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25-04-2012, 06:44 AM | #1 |
Junior Member
Join Date: Apr 2012
Location: wyong
Car: 1990 mazda 323 astina
Posts: 9
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help 90 bg 323
hi to all my 323 does not feel like its pulling as hard any more .. it feels real sluggish now i did a comp test about 2 weeks ago all around 135 to 145 . when i 1st got the car it would pull every gear now it really laggy ...... any help is good help thnx
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25-04-2012, 08:38 PM | #2 |
Junior Member
Join Date: Feb 2012
Location: Sydney
Car: 323 BG Astina SP
Posts: 21
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could be a number of things, any other symptoms?
Might be an idea to check if there is any Error codes in the PCM.. |
26-04-2012, 06:22 AM | #3 |
Junior Member
Join Date: Apr 2012
Location: wyong
Car: 1990 mazda 323 astina
Posts: 9
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how do i check for a error the only other thing is its just started getting a flat spot at about 2gs
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26-04-2012, 08:41 AM | #4 |
Senior Member
Join Date: Feb 2010
Location: USA
Car: .
Posts: 2,623
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what kind of motor is this? how many km?
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26-04-2012, 09:43 AM | #5 |
Junior Member
Join Date: Apr 2012
Location: wyong
Car: 1990 mazda 323 astina
Posts: 9
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the motor is a bp 1.8l dohc and its got 182Ks on the clock
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26-04-2012, 11:19 AM | #6 |
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Join Date: Feb 2010
Location: USA
Car: .
Posts: 2,623
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the compression is in the low end of the scale... minimum allowed is 128psi while normal spec is 182psi... maximum difference between cylinders allowed is 28psi
how is the ignition timing? how old are the HT leads? what about the spark plugs? also, pull the cam gear cover off and see if the cambelt is still in time
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26-04-2012, 08:51 PM | #7 |
Junior Member
Join Date: Feb 2012
Location: Sydney
Car: 323 BG Astina SP
Posts: 21
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from your diagnosis port behind the battery.
connect a wire between 'GND' and 'TEN' then connect a LED test light between 'Fen' and 'B+' if done right the LED should flash A long flash for the start of the group and short flashes indicate the number for example 3 flashes will equal 3" no short flashes equal 0 the number you are left with is the error number (if there is an errors with the sensors) I do believe you can find the list somewhere on the net Flat spot aye! as said before it would be a good idea to check the compression over each cylinder. you may wanna check intake system, make sure there is no leaks.. fuel system usually the fuel regulator is in quite bad condition in older cars. fuel pressure. ignition system the spark plugs can tell a good story about what your engine is doing. Resistance of the HT leads and distributor cap inspection in older cars with distributors it is common for oil leaks. |
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