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Old 12-04-2010, 07:14 AM   #1
nzbfmr
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issue with bpt on start up

hey, new to this place and also new to piston powered mazdas

i got a bpt with a to4 turbo, 38mm extrnl wastegate, frontmount and bov.

the issue im having is wen i turn the car over and it starts it dies but wen i put my foot slightly on the gas it pulses like it a bridge port rotary for about 2 mins and then runs fine, i took it for a hack around the block was running ok until it staled on on me i turned it back on and it done the same thing.

any help would b great cheers

jonny
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Old 12-04-2010, 07:32 AM   #2
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Welcome Have you any pics of the engine bay set up? That's a mighty big turbo on a 1.8

Have you checked out the Dizzy & other elects for faults? How long have you had the car? Is this a new thing?
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Old 12-04-2010, 08:01 AM   #3
nzbfmr
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na got no pics aye, ive changed dizzy cap and rotor, spark plugs and leads, its been that way scince i got it, only had time now to do sumthing with it, car just sits in my garage lol, haha at least i think its a to4 its one of those cheap china built sak of a turbo t4/t3, planing on chaging it when spear funds come thru
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Old 12-04-2010, 08:16 AM   #4
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Dizzy Cap means squat. The ignition module is part of the distributor & easier to replace whole distributor than fug around with module unless you are soldering savvy & know what to do.

Also could be the idle speed sensor. Trouble shoot

All the best
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Old 12-04-2010, 08:38 AM   #5
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The turbo wont affect starting. Unless someone left the a dust protection rag in the turbo inlet/outlet ..


I'd say the timing is out.
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Old 12-04-2010, 08:41 AM   #6
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I thought OP's question was concerning car in general. Not necessarily Turbo. Just that he had the BPT model?
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Old 12-04-2010, 04:50 PM   #7
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welcome are you on amazd?
yea the tdo4 are good turbos on bpt ,once i get my one going i will get a tdo5
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Old 12-04-2010, 05:30 PM   #8
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Could also be your cold start tune...

Id take it to a tuner and see what it does. (Presuming you have an A/M ECU with a turbo that big on a 1.8L)
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Old 12-04-2010, 05:40 PM   #9
nzbfmr
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was just having a fidlde round before, ummm ive got an exturnal fuel pump controlled by a switch and when i turned it over just then it pulsed as it does and i switched the fuel pump off and i quickly went to idle sweet as turn feul pump back on and and pulsed for a bit and then went to idle sweet 30secs after????
would this mean the fuel pump pumping to much gas??
i had a after market FPR on there to start off wit and couldnt adjust it under 60psi
fuel pumps a bosch 0 580 464 070
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Old 12-04-2010, 06:18 PM   #10
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Have a look on the fire wall for one of these \/ \/ \/


It's the fuel pump controller for the BP turbo.
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Old 12-04-2010, 08:32 PM   #11
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Could you by any chance upload a vid of what the car sounds like, I'd probably assume timing or vacumn
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