stumble under load
#1
hifipm
Thread Starter
stumble under load
Hi all - wondering if you experienced people have had this problem( I did try to search this)- I have an intermittent stumble/misfire under load - sometimes it runs perfectly- other times undriveable as it will not accelerate. My mechanic ( an experienced RX7 shop) has checked engine ground and fuel filter, EGR valve and I just decided to replace the fuel pump as it is likely original. This car has about 140k kms and about 30k kms on the factory rebuilt 13b and installed by Mazda. The car idles well under all circumstances and performs great when it works!! Any ideas? Thanks Paul
#4
hifipm
Thread Starter
Thanks Satch- it does not have any relation to RPM just won't accelerate. Mech has a spare MAF and will try that tomorrow- he also suspects the TPS -I will let all know when resolved-thanks Paul
#5
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It's under the car,pretty well under your left foot when you sit in the driver's seat..on the frame rail.
By the way,the injector clean is not an effective "tool" with these cars...BUT getting the Injectors CLEANED( as in serviced) is.
#6
hifipm
Thread Starter
Thanks for your input misterstyx69 - my mech has likely found the culprit- a bad ( intermittent) connection on the cable to the TPS - got my fingers crossed! Thanks Paul
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#9
hifipm
Thread Starter
fixed
The fix seems to have been that bad connection to the TPS- although it ususally acted up in warmer weather and it has been cool here since I got it back but so far so good! Thanks Paul
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