willp77 New Member 5 Member For: 9y 22d Posted 28/02/16 04:47 AM Share Posted 28/02/16 04:47 AM Hello members, just bought a ba xr6t auto, and its decided to play up on me. This is what its doing: When I get to 3700-4000rpm, 1. The abs, battery, and brake warning lights on dash light up. 2.Stereo and ac stop working. 3. Doesnt stall but doesnt rev any higher 4. Once revs get back around 3000-3200 its situation normal Car has bigger injectors, fuel pump (+ full tank of fuel) and 14psi tune, flash tuner shows no fault codes... Can anyone shed any light on this for me? Ive searched through your forums to no avail, hoping someone knows whats going on here. Thanks in advance! Link to comment Share on other sites More sharing options...
barnz Member 3,047 Member For: 11y 3m 24d Gender: Male Location: Brisbane Posted 28/02/16 09:21 PM Share Posted 28/02/16 09:21 PM that is weird....sounds like a low system voltage problem but strange it occurs at that rpm... so as a complete guess id say alternator, dodgy fuel pump wiring that's causing an issue under heavy load...or a frog balls tune? is it a custom tune or an ebay job? Link to comment Share on other sites More sharing options...
willp77 New Member 5 Member For: 9y 22d Posted 28/02/16 10:03 PM Author Share Posted 28/02/16 10:03 PM Yeah alternator/ electrical was my first thought, then more I looked through forum the more confused I got.... was tuned by intune in sydney (they dont seem to have many fans here) by previous owner, and running well for past 3 wks till it started doing this. Its also running a big ass stereo, maybe an alternator upgrade may be needed. Link to comment Share on other sites More sharing options...
MattyP MattyP Cruise Control 6,317 Member For: 12y 10m 12d Gender: Male Location: Central Coast Posted 28/02/16 10:09 PM Share Posted 28/02/16 10:09 PM Lol pingtune Sounds electrical Got an obd2 scanner? Link to comment Share on other sites More sharing options...
willp77 New Member 5 Member For: 9y 22d Posted 29/02/16 12:17 AM Author Share Posted 29/02/16 12:17 AM No mate, just a flash tuner. No fault codes showing on that though. But yeah from what I see on here, once I find and get this lil issue sorted, ill be sending it somewhere more reputable for a tune.... Link to comment Share on other sites More sharing options...
PTR_NITRO_FG Donating Members 3,214 Member For: 11y 9m 19d Gender: Male Location: NOR Perth Posted 29/02/16 01:09 AM Share Posted 29/02/16 01:09 AM do you know whether it was actually on the dyno or whether its just a email tune? I got in trouble on the other forum for saying pingtune; and a mod made his point that John knows how to tune and that peoples comments are merely hearsay and that his tunes are good. but I still call BS lol Link to comment Share on other sites More sharing options...
willp77 New Member 5 Member For: 9y 22d Posted 29/02/16 01:21 AM Author Share Posted 29/02/16 01:21 AM Car came with dyno printout, so im assuming it saw the rollers. Whether or not it was tuned on dyno or just given a run for a printout I couldnt say for sure. Car allegedly has upgraded injectors, upgraded fuel pump, 12psi actuator, hi flow cat and larger intercooler, std exhaust and factory turbo plumbing and the tune, printout showing just over 260kw at wheels. Link to comment Share on other sites More sharing options...
PTR_NITRO_FG Donating Members 3,214 Member For: 11y 9m 19d Gender: Male Location: NOR Perth Posted 29/02/16 01:44 AM Share Posted 29/02/16 01:44 AM Yeh I would assume it was properly tuned then....unfortunately I cant be of any help cause I don't know sh*t when it comes to mechanics....hopefully it doesn't cost too much to diagnose. Update the thread for sure if you figure it out Link to comment Share on other sites More sharing options...
barnz Member 3,047 Member For: 11y 3m 24d Gender: Male Location: Brisbane Posted 29/02/16 02:21 AM Share Posted 29/02/16 02:21 AM doubt the tune is the issue. can you log system voltage over a few pulls? pretty sure even forscsan has a voltage pid of some kind. Im interested to know if it takes a nose dive at the rpm your having issues Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 9m 13d Gender: Male Location: Adelaide Posted 29/02/16 03:13 AM Share Posted 29/02/16 03:13 AM Unplug the wiring connectors at the ecu in the engine bay ( pass side ) re clip in all connectors and go for a drive Link to comment Share on other sites More sharing options...
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