IH8PunkRok Posted June 27, 2013 Report Share Posted June 27, 2013 so my gf bought this miata and I finally drove it the other day and I found something really weird first off its a 91 and has a stupid shift kit on it that being said 75% of the movement in the gas pedal does nothing, the last 75% to be exact. the first quarter is normal but from a quarter to mashed in the floorboard there is no change at all. Also, I noticed the car shifts stupid early. Even with your foot hard down it will shift just before 4k and the damn thing redlines at 6.5k At first I thought the car just had a bitch motor but I honestly think something else is afoot. Any ideas? -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
fox_racin4 Posted June 27, 2013 Report Share Posted June 27, 2013 Check the TPS ( if it has one) on my truck it cause a very very late shift and a VERY hard shift 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
Pariah Posted June 27, 2013 Report Share Posted June 27, 2013 Possible throttle cable is stretched? Have someone hold the pedal on the floor, and physically look at the throttle plate, see how far it's opening. Something that's quick to check, may not be the issue at all, though. Link to comment Share on other sites More sharing options...
Guest Posted June 27, 2013 Report Share Posted June 27, 2013 what car is it? Link to comment Share on other sites More sharing options...
n8ball2013 Posted June 27, 2013 Report Share Posted June 27, 2013 its a miata. and a 91. it may be all its got THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
IH8PunkRok Posted June 27, 2013 Author Report Share Posted June 27, 2013 its a miata. and a 91. it may be all its got thats exactly what I thought to begin with but then I drove it. Ill have to look at the throttle cable see if that is all good. maybe I am just used to cars that work better but never have a I drove a car that would not get to its redline and that list of cars includes a 92 buick lesabre something doesn't seem right about it -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
crispy_chick3n Posted June 29, 2013 Report Share Posted June 29, 2013 you might take it to the mazda service center and have it hooked up to the OBD1 scanner. the car might be in limp mode. i believe mazda was still using limp mode until the mid 90's around the time OBD2 was starting to roll out This page is crispy_chick3n approved. © crispy_chick3n inc Link to comment Share on other sites More sharing options...
Jessica Posted June 29, 2013 Report Share Posted June 29, 2013 Some cars have a detent cable, if the bushings are bad in it or it's adjusted wrong then the transmission doesnt know how much throttle the engine is getting so it shift early and won't downshift on hills. It goes from the throttle to the transmission. Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
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