Ford Ranger / B-Series :: 2000 - Truck Backfires When Temperature Is Warm To Hot
Jun 18, 2013
OK...When I leave in the morning and the ambient temperature is cool the truck runs fine. When I leave work and the temperature is warm to hot the truck backfires through intake, pings bad, has a miss and a surge and no power. There is no CE light, this is about to drive me nuts. I was just hoping (doubting) but hoping someone else might have had this problem so I don't just have to start replacing things until it's fixed.
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I have noticed that my temperature gauge is indicating that usually my truck is running very cool. It seems that it is also somewhat erratic. At times it indicates what I would expect a reading in the middle of the gauge. Other times after running a while it will drop to the lower end (cool) of the gauge and stay there.
I am guessing that the thermostat is sticking open. Is there a way to test the sensors to see if they maybe bad? I have a 99 ranger with a 4cyl. It looks like I have two sensors. If one is bad, how can I determine which it is?
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I just bought a 2000 Ranger. I bought it at company auction for cheap because it wouldn't start. The battery was dead when I got to it. I put a brand new battery in it since it has 155,000 miles. When you turn the key to the on position, the theft light starts blinking rapidly. It will continue to do so for about 45 seconds if you leave the key on; then it will go out. However, if you turn the key to start, all you hear is relays clicking. The engine doesn't crank at all. I jumped the starter relay and the engine turns over. I have the factory manuals for wiring diagrams and diagnostic procedures.
The theft system relies on trouble codes to point you in the right direction for testing. I borrowed an Actron code reader (like you get at Autozone) and it says there are no codes. I'm wondering, though, if it only reads the SAE standard codes from any vehicle and not the manufacturer specific codes like the theft system. I have gone through a few of the diagnostic procedures with a multimeter, but it's like looking for a needle in a haystack without the codes. So far everything I've checked has come back ok. Any common issues this might be related to? BTW, I've gotten bits and pieces of info about this truck from the guys who drove it. Apparently, it just wouldn't start one day and was parked for the next several months until I bought it.
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I have a 2011 xlt extended cab with a 2.3l 4 cylinder. The truck is great... I put 120,000 miles on it in under a year.
But about a month ago the temperature gauge started malfunctioning. for what ever reason -- the truck is NOT over heating-- the gauge would increase past the "H" and then the temperature light would come on. Because the truck thinks it's overheating -- the engine goes into a "safe mode" and runs with no power. When i shut the motor off and turn it back on temperature gauge resets and the truck will run fine.
Then in another 50 or 100 miles it will do it again. Why is it doing this? I took it to the dealer here in Columbus, Ohio and the mechanic installed a new thermostat and a new "control modulator" (and a part -- not really sure what it is called) anyway, the truck is doing the same thing and the mechanic still does not know
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Where the temp sensor for the rear view mirror is located. My truck is a 2011 Ranger with the 4.0 liter, AC, automatic and 4x4. I think it is somewhere by the headlights but not sure.
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I have a 2001 ford ranger xlt 2.3L and the temperature gauge has been staying a cold. And my heat doesnt heat well. I'm guessing I need to replace the thermostat. Before I do that could it be anything else?
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I have a 94 ranger 5 speed xlt v6 4.0l 288k miles original engine. in the last month the oil pressure has gradually gone way up. a manual gauge shows 65psi at cold start ( in the 90* out side) after a minute of idle it dropped to 60psi, at 2k rpms the psi was 85+. also the water temp has gotten hotter to the point of almost being unsafe. it appears that in the hotter part of the day the psi goes higher. the oil and filter was changed 1200 miles ago. the cooling system has been update in the last year with a new radiator new thermostat. no cross contamination in the fluids, engine runs good other than gauges on dash showing water and oil getting close to unsafe range and manual gauge showing high pressure.
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My ammeter & coolant temperature gauges have quit responding. Any "easy" ways to check these circuits before I disassemble the dash? And, if the gauges DO turn out to be bad, where can I get replacements?
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My 03 ranger with a 2.3 I4 does not want to restart when it is above about 80 deg outside and engine is warm. Will crank, but as soon as fuel in line runs out it stalls, like a vapor lock. After about 45 mins can push start normally( has manual trans) but have to wait about 2 hours to use starter to start.
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2002 Ranger XLT auto 3.0 will not start after it has run awhile, Was very intermittent at first sometimes six months would pass, sits for and hour or so and would start right up and run great. Lately it is becoming more frequent. Good fuel press, good spark, I have changed the coil pack, fuel relay, filter , am at a loss.
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I have a 1994 Ford Ranger 4.0L 4x4, 130,000. I love this truck but about a year ago it started not starting after it warmed up short distances in the summertime? It start right up on cold crank...Runs smooth idles like a champ...but if i shut it off..wont start for 20 to 40 min??? It doesn't happen in the winter months??? So I changed the fuel pump, filter, relays. I feel like it has something to do with the Ignition Control Module. Would that come up in a code?
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I have a 1994 Ford Ranger XLT xcab with a 4.0 engine.It will take off and drive in the freezing cold but when it warms up it will only go in reverse.Once in awhile it will go into drive.What seems to be the problem. I had also backed up over a railroad tie in an icy parking lot but still drove away.
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I have a 97 Ranger 2.3 standard shift, No A/C, a pretty simple Ranger with 158,000 miles. About a month ago while do some checking around under the hood I noticed my coolant overflow tank was empty, so I filled it up to the proper level with some anti-freeze mixture. Thinking if the system was low on anti-freeze it would suck what it needed from the recovery tank, wrong! About two weeks ago I noticed that my temperature gauge was NOT registering in its normal position and was considerably lower towards the Cold mark. Heat coming out of the heater was normal.
I opened the radiator cap and everything looked okay. After a few days this would not go away and replaced the thermostat thinking the thermostat was stuck in the open position, wrong again! I burped the system by letting the engine run with the radiator cap off and filled the radiator with anti-freeze mixture every time some of the air was expelled. I did this for a few days and noticed that the engine would not reach normal operating temperature at idle speed! I had to put something on the gas pedal to increase idle speed so the engine would get hot, this is not normal. Finally I got to a point where the radiator would not take anymore anti-freeze mixture, but the problem still exists.
Two things I noticed that will get the engine temperature up to normal, engine speed (RPM's) and not having the heater on. Let me explain, at normal idle the engine will not reach its proper temperature, but when driving down the highway the temperature goes up to normal (about halfway on the scale) no matter if the heat is on or not. When stopped at a light or just idling I can watch the gauge slowly go down towards the cold mark, if I turn off the heater it takes longer to go down to cold. I do know the heater fan is cooling the coolant to a degree (no pun intended), but it shouldn't cool it so much as to make the temperature drop so dramatically. Okay, heater off, riding down the highway, everything normal, come to a stop and idle temperature starts falling slowly, but when I turn on the heater the temperature starts falling faster.
My diagnosis: I have no leaks of anti-freeze, checked and re-checked. I have no symptoms of a blown head gasket, no milky white appearance on dip stick indicating anti-freeze mixing with engine oil, no clouds of white smoke coming out of exhaust, checked tail pipe for anti-freeze, none found, no loss of power and no loss of gas mileage. I changed the thermostat, like I said. Do not think it could be the radiator pressure cap, normally if the cap goes bad the system will have no pressure and the engine will overheat, the opposite of the problem. Water pump, normally if the water pumps goes the coolant will not circulate through engine and will over heat, again, not the problem I am having. Could it be:
1. A long shot, I bought a defective thermostat and it is still staying open.
2. The temperature sending unit has gone bad, very improbable since it does register the correct temperature when truck is moving down the highway.
3. The coolant is spent, again unlikely, it has been in the engine only for about 3 years and still looks clean and green.
4. Have to have a cylinder pressure check to determine actually if the head gasket is really blown or not, which I doubt.
My conclusion is that I still have a huge air lock somewhere in the system and the engine is still not completely filled with coolant and when the rpm's drop not enough hot coolant is reaching the temperature gauge sending unit, but if that much coolant is not in the system, why am I still getting lots of heat blowing from the heater? The vehicles cooling system is not that complicated and there are few parts involved in its proper operation, I think I have covered them all, but somewhere I am missing something to pin point my problem.
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1991 Ranger STX, 4.0. Had a leak from the rubber seal on the thermostat. Changed the thermostat (stat 195) and seal. Now my temperature gauge is not showing a constant reading, goes to half way and when the thermo opens the gauge falls down to a quarter. The gauge is cycling this way every time the thermo opens.
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I have a 2005 ranger, 3.0 and automatic trans
The truck runs fine until it is warm... runs great down highway... stopping at a light or stop sign is horrible, It will act like the (old term ) carb is flooding out.
I put it on a meter It said tps so I replaced it. then it said number 4 cyl no power so I put new plugs in.... I do not hear any vacuum leaks, and It runs like a top when cold.
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I have a 95 4.0 EFI inside of my 83 Ranger. Once the motor warms up, it starts to have an idle issue. I have to press the gas, in order for it not to cut off. Here is a video I posted a while back. A person suggested that it could be the MAF needed to be cleaned. I did that, and it did not work.
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My '04 Ranger has over 240k on the odometer. Runs great and has never given me any issues. Everything checks out OK - all the fluids, filters, and whatnot are in good shape. No CEL or any other indication that anything is wrong (except for maybe the IAC valve and clutch slave.)
I've noticed, though, that when I fire it up in the mornings to let it warm up while I scrape the ice and snow off the windows, the heat/defrost will not blow warm air. It doesn't matter how long I let it sit, it will only blow ambient air through the ducts.
When I get going down the road, however, the heat kicks in, after a bit, and works very well!
I've not found anything that would indicate an issue with the blend door or any other component and this is the first vehicle I've had that did this.
Is it normal for a 4.0 SOHC Ranger to do this? Or is there something I'm missing?... It's not really that big of a deal, but I do find it a bit odd that it would do this.
I mentioned the IAC above - I think it's "sticking" every once in a while and, when it does, I'll hear a loud "thump" right before it idles down to around 1k rpm. I can't see how this would affect the heat, though...
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1998 Ranger. I have no vacuum to the heater control valve (see link below) and hoses are warm/hot to the firewall. Where to start troubleshooting?
More Information for FOUR SEASONS 74809
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I have a 1996 Ranger that the Heater/AC blower only works when the outside air temp is above 45 degrees. I have replaced the relay, and the blower motor resistor. What could be causing this?
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I've recently acquired a 1989 ford ranger xlt 2.9L V6 and iv got my elbows deep already..... starts right up and scene its an older truck i let it warm up for a few minutes seems to sound alright so i jump in and take off... well i make it about two blocks and as soon as the truck seems to warm up it starts to sputter and die out... starts back up and idles for a min and i try to take off, but it seems to have NO power and jerks and dies.... so i push to a street parking spot and get situalated start the truck up again and take off only to make it about half a block tell it does the same....
First i think iv run outta gas witch i might of not sure so I walk to station and get three gallons. put in truck and same is happening. so i start kicking myself for not haven any tools with me and i leave tell next day... that night do a little research and get some idea's of what could be the problem'(s) so i start out with things that look like they need tending Badly WIRES, PLUGS, ROTOR, CAP, MAP SENSOR, and now after a whole day in the rain (Northwest BTW) and grease to elbows? 2.9 V6? What step's should i take next?
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My 95 4.0 has had a periodic idle issue for quite a while. It seems it may be getting worse. Here is when it may only happen:
Vehicle is fully warm. I shut it off for about 1 hr or so and when I restart it, it shakes and misses in idle. It will idle fine after I drive it around or if I rev the engine for a while when still parked.
This never triggers the "check engine light". New fuel filter, plugs and wires.
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