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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections. |
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#1 |
The Newbie
Join Date: Jan 2009
Location: vancouver island b.c. canada
Posts: 6
Rep Power: 0 ![]() |
fd problem
so i have a problem with my fd its been ongoing for a month now and i cant seem to figure out whats really going on.
anyway heres the problem when i came to a stop at a stop sign the car stalled on me and would not restart.. it took me about a week to finally get it started again and it ran decent went into boost fine and boost ten pounds so after running it for a while to clear out all the gas and oil from the engine i parked it at home for the night.i went out the next morning to start it..and all i got was cranking it seemed like it wanted to catch and fire a couple times but it didnt. so i got it towed down to my friends shop and unflooded it again and i made sure i had a blue spark so this time it started but it couldnt idle .. i figured you know.. it just got unflooded so thats normal.. so i drove it around a bit again.. and after about 30 mins of driving i tried puuting it into a little bit of boost.. i couldnt even get to 5 pounds of boost becasue all it did when it entered boost was backfire like crazy.. i took her home and parked her for about an hour and came back outside and i know theres a fuel cut while holding the throttle open all the way so just to make sure i did that to start it and it fired up no problem i went downtown to renew my insurance and came back home and parked it for the night.. came out in the morning and all i got was it cranking and trying to catch but it wont.... i really dont know whats going on.. the guy i bought it from said it wasnt running a fuel filter.. do you think its my injectors?.. or somethien more serious? compression is 90 on all rotor faces by the way.. any help would be awsome! thanks |
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#2 |
RCC Contributor
Join Date: Jan 2008
Posts: 713
Rep Power: 18 ![]() |
Did you put in new plugs at any point? Cleaning plugs will never give the same results as replacing them with new ones($24.00) at Oreillys and doing the deflood procedure before reinstalling them.
If that isnt the problem it seems like an injector issue, could have one stuck open. I recently fought a similar situation with some injectors I had cleaned and flow tested. But in a known good used set and the car acted 1000 times better and stopped fouling plugs and stopped bucking under decel. David
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David Jerome Broker for Speed For Sale LLC (David@SpeedForSale.com) (Pre-owned RX7/sports car sales & new parts sales/installs/tuning) ![]() PM me about low priced, high quality port work ![]() |
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#3 |
The Newbie
Join Date: Jan 2009
Location: vancouver island b.c. canada
Posts: 6
Rep Power: 0 ![]() |
thanks dude. i was kinda thinking it was an injector issue but wasnt too sure.
and yes ive put many new sets of plugs in it well i guess im popping out the injhectors and gettign different ones.. see what happenes i'll keeep you up dated thanks again |
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#4 |
Founder/Administrator/Internet Pitbull :)
Join Date: Jan 2008
Posts: 644
Rep Power: 10 ![]() ![]() |
I agree with David.
I was helping out with a car with bad injector (stuck open) and had similar symptoms. If that FD truly doesn't have a fuel filter, then I also recommend getting one.
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DGRR 2013 - Year of 13B www.DealsGapRotaryRally.com http://www.facebook.com/Herblenny |
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#5 |
The Judge
Join Date: Feb 2008
Posts: 196
Rep Power: 18 ![]() |
Or maybe bad ignition coils?
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#6 |
The Newbie
Join Date: Jan 2009
Location: vancouver island b.c. canada
Posts: 6
Rep Power: 0 ![]() |
i highly doubt its ignition coils becasue of the blue spark im getting from each plug.. but thanks for the idea i appreciate it
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#7 |
Rotary Fan in Training
Join Date: Aug 2008
Location: Auckland
Posts: 70
Rep Power: 17 ![]() |
Check your TPS voltage while your at it too.
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