Mstoochn

#1

lately i've noticed a hesitation stutter when i start my car if its already warm, almost like a backfire. but it starts cold just fine

AMCMoe

#2

Perhaps your coolant temp sensor is going bad? If it's reading too low, it will probably be adding more fuel than it should be.

Mstoochn

#3

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QUOTE (AMCMoe @ Aug 14, 2009 - 12:28 PM)

>Perhaps your coolant temp sensor is going bad? If it's reading too low, it will probably be adding more fuel than it should be.

explain? by low u mean low coolant or low temp

AMCMoe

#4

Low temp. If it's reading too low, the ECU would add more fuel thinking the engine is cold, causing it to run rich when it shouldn't be.

Bitter

#5

cold start injector?

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2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E

Mstoochn

#6

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QUOTE (Bitter @ Aug 14, 2009 - 8:22 PM)

>cold start injector?

hmm?

Bitter

#7

i thought that the S series engines have a cold start injector?

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2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E

Remy

#8

We don't only the 90-93? 5sfe has it.

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"To Protect And To Serve The Wealthy" -POLICE