Step one, check for codes.
Step 2, has it ever has spark plugs done?
Step 2, has it ever has spark plugs done?
hesitation at high speed 03 limited 3.0
car has 101,000. when the car hits about 70mph or over if I take my foot off the gas and put it back on i get a hesitation. the car is an automatic. if i put the car in 3 and bring the car up to 70mph or over and lift foot off gas there is no hesitation.
any suggestions on what the problem might be.
Thanks
any suggestions on what the problem might be.
Thanks
1 - 8 of 8 Posts
at 50k plugs were done ( said the previous owner.) I think it needs a full tune then I will see how runs from there.Step one, check for codes.
Step 2, has it ever has spark plugs done?
thanks
Plugs aren't due but every 105-115k miles. The OE plug is an NGK with heat range 6. There's only one plug that really fits with this heat range and its NGK.
The hesitation could be a dirty throttle body. Could be just a lag in re engagement of the TCC. When you are in 3, you are at a higher engine rpm and the TCC is not engaged, so the reaction from throttle is going to be different. In D, the TCC lets go when you let off the throttle to relieve engine load and there will be a short lag in the time it takes for the fluid to pressurize against the clutch again.
Check your trans fluid level and if its been over 50k, its due for a flush and filter anyway so you can have that done and see what happens. Trans fluid breaks down and the pressure will change over time.
The hesitation could be a dirty throttle body. Could be just a lag in re engagement of the TCC. When you are in 3, you are at a higher engine rpm and the TCC is not engaged, so the reaction from throttle is going to be different. In D, the TCC lets go when you let off the throttle to relieve engine load and there will be a short lag in the time it takes for the fluid to pressurize against the clutch again.
Check your trans fluid level and if its been over 50k, its due for a flush and filter anyway so you can have that done and see what happens. Trans fluid breaks down and the pressure will change over time.
I think the schedule says 60K but when I pulled my plugs at about 64K, they looked like they'd go another 20-30K easily. Maybe there's a lot of oil seeping from the tube gaskets and shorting the high voltage?
thanks I think changing the plugs and doing the trans fluid ( fuel filter air filter etc )is in order as again who knows what the previous owner did to it when I bought it at 49k.Plugs aren't due but every 105-115k miles. The OE plug is an NGK with heat range 6. There's only one plug that really fits with this heat range and its NGK.
The hesitation could be a dirty throttle body. Could be just a lag in re engagement of the TCC. When you are in 3, you are at a higher engine rpm and the TCC is not engaged, so the reaction from throttle is going to be different. In D, the TCC lets go when you let off the throttle to relieve engine load and there will be a short lag in the time it takes for the fluid to pressurize against the clutch again.
Check your trans fluid level and if its been over 50k, its due for a flush and filter anyway so you can have that done and see what happens. Trans fluid breaks down and the pressure will change over time.
havent seen any oil seepage. hopefully not atleastI think the schedule says 60K but when I pulled my plugs at about 64K, they looked like they'd go another 20-30K easily. Maybe there's a lot of oil seeping from the tube gaskets and shorting the high voltage?
The NGK plugs for the H6 are iridium tipped and tend to last upward of 100k. 60k is severe use recommendations. Transmission fluid is recommended every 30k with severe use, i.e. high temps, towing/hauling, etc. If its an easy daily driver, you can go 50k on the trans.I think the schedule says 60K but when I pulled my plugs at about 64K, they looked like they'd go another 20-30K easily. Maybe there's a lot of oil seeping from the tube gaskets and shorting the high voltage?
1 - 8 of 8 Posts
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