Engine stalling & hesitation
Thread Starter
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Junior Member
Joined: May 2000
Posts: 9
Likes: 0
From: Bedminster, NJ USA
Engine stalling & hesitation
For the past few months when starting the engine cold it stalls as soon as it starts, has a slight hesitation when barely depressing the gas pedal and lately getting surges or trans slips. Brought it to a tranny shop and he says it could be the cat could be clogged causing more backpressure. Any ideas.
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1992 F-150 XLT Long Bed, 4.9L, 140,000 miles and still going.
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1992 F-150 XLT Long Bed, 4.9L, 140,000 miles and still going.
Senior Member
Joined: Jul 2000
Posts: 242
Likes: 0
From: Never Never Land
gsc96,
Surging in a 5 ltr is pretty typical of EGR problem. Start cheap and clean your idle air by-pass that is connected to your throttle boby with some solvents. After changing out the egr, egr position sensor, idle air by-pass, throttle sensor,I finally changed out the egr vacum regulator and it virtually eliminated my surging. Only the dealer had it, around $24 if I remember right. If you plan on keeping your truck i would go ahead and replace most of your sensors since you have so many miles, besides thier not too expensive and thier easy to change. Also run some good good system cleaner through a tank of gas, the benefits are worth the $.
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2000 Sport,Black,5.4L, 3.55 LS,Rear 2in drop, Gibson Super truck, K&N. 86 5.0 Mustang LX w/off road h-pipe, Borla catback, FMS 65mm TB, K&N, 180 Degree thermostat,14 Degrees timing
Surging in a 5 ltr is pretty typical of EGR problem. Start cheap and clean your idle air by-pass that is connected to your throttle boby with some solvents. After changing out the egr, egr position sensor, idle air by-pass, throttle sensor,I finally changed out the egr vacum regulator and it virtually eliminated my surging. Only the dealer had it, around $24 if I remember right. If you plan on keeping your truck i would go ahead and replace most of your sensors since you have so many miles, besides thier not too expensive and thier easy to change. Also run some good good system cleaner through a tank of gas, the benefits are worth the $.
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2000 Sport,Black,5.4L, 3.55 LS,Rear 2in drop, Gibson Super truck, K&N. 86 5.0 Mustang LX w/off road h-pipe, Borla catback, FMS 65mm TB, K&N, 180 Degree thermostat,14 Degrees timing
Thread Starter
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Junior Member
Joined: May 2000
Posts: 9
Likes: 0
From: Bedminster, NJ USA
Thanks,
I have already replaced the TPS, HO2, MAF, Water Temp and Air bypass. I wasn't sure if it was the EGR system or cat converter. I do plan on keeping the truck at least another 4-5 years.
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1992 F-150 XLT Long Bed, 4.9L, 140,000 miles and still going.
[This message has been edited by gsc96 (edited 07-24-2000).]
[This message has been edited by gsc96 (edited 07-24-2000).]
I have already replaced the TPS, HO2, MAF, Water Temp and Air bypass. I wasn't sure if it was the EGR system or cat converter. I do plan on keeping the truck at least another 4-5 years.
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1992 F-150 XLT Long Bed, 4.9L, 140,000 miles and still going.
[This message has been edited by gsc96 (edited 07-24-2000).]
[This message has been edited by gsc96 (edited 07-24-2000).]