Check Engine Light & A/t Light

[jvs007]

i had the check engine light come up on r34 GT, goes off occasionally but still there. other day the A/T light came on. did lots of searches and stuff and came up with this: saw auto tranny speciallist, put on diagnostic computa and told me the shift solenoid A reporting faulty. this confirmed wat the search results said.....gone into limp mode 3rd gear. restarted engine and fault gone, drives normal. catch is the fault can come back anytime. Got told $680 to change solenoid A and B and some other pressure thingo (apparently all comes in a kit), service gearbox and clear error and about 1 days work.

While he had diagnostic out, he checked the engine, reported ignition problem. which is wat i got from search results.... coils failing. question is how do i know which coil and where to buy it???

any opinions, comments and experiences ???

[Godzilla32]

So have you actually had your car scanned for codes or not? Bit hard to follow if thats what you read or actually did.

If you want to isolate which coil is failing you can either check them all for resistance, visually inspeact them closely for hairline cracks, or if its bad enough check for arcing from the coil packs preferably at night so its easier to see. Remove the coil cover and load up the engine to try and induce arcing from the coils. It will be a little blue spark shooting out and grounding on the spark plug tube.

[jvs007]

sorry i can see it now, first msg was a bit confusing......

i thought checking with the diagnostic computer did the same thing as checking for fault codes. isn't it ???

the mechanic checked with the diagnostic computer and gave results for the engine - p1320 IGN signal primary. the transmission was - shifting solenoid A.

does that help ?

Edited July 14, 2008 by jvs007