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Technical Questions & Answers Hard Starting when Hot (Page 1)
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Author | Topic: Hard Starting when Hot |
prowlrman Prowler Junkie From:Phoenix, AZ USA |
posted 06-13-2008 08:46 AM
Much like Cool Cat 1's post, I have also noted longer cranking times lately when starting my car after the engine is warm. It starts almost immediately when cold, but cranks far too long after the engine is warm and I restart. I have even had to stop cranking for a moment and then try starting again before it fires. I have just noticed this the past few times I drove the car and it was not like this previously. I have not had time to check out but I'm wondering if anyone else has experienced this? Maybe fuel pump?? Car is a 2001 and has 14,000 miles on it. Not noticing any fuel smell or higher gas usage as reported by Cool Cat on his. |
idive POA Site Supporter Prowler Junkie From:Texas USA |
posted 06-13-2008 11:25 AM
quote: I have your exact problem. I am told it is the fuel pump. Mine is a 97 with 16K. No gas smell. No gas consumption difference. |
Howard POA Site Supporter Prowler Junkie From:Valencia, CA, USA |
posted 06-13-2008 11:31 AM
Replace your fuel pump by dpena. http://www.prowlerexcitement.com/FuelPumpInstall/index.htm http://www.prowlerexcitement.com/FuelPumpInstall/Complete/index.htm This message has been edited by Howard on 06-13-2008 at 11:35 AM |
catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 06-13-2008 03:08 PM
mine turns over 3 or 4 time then starts.it must be that 4.50 a gallon gas.i dont think its the pump.when it wont start then ck it. ------------------ |
ed monahan POA Lifetime Site Supporter Prowler Junkie Personal ScrapBook From:Cincinnati, Oh, USA |
posted 06-14-2008 01:37 AM
I had that problem on my first 99. Started on the first crank when cold, 3 or 4 cranks after it was warmed up. EVERY time. Low fuel pressure due to a bad pump. There have been numerous reports here on POA with the same symptoms and same solution. No smell of gasoline or higher consumption, either. This message has been edited by ed monahan on 06-14-2008 at 01:38 AM |
Steve Conley POA Site Supporter Prowler Junkie From:Tucson,AZ,U.S.A. |
posted 06-14-2008 11:44 AM
I had the same problem with my 99 with 59,000 on it. Replaced fuelpump as per Depena and Prowler excitement. instructions, but made my own removeal tool out of a metal strap. Runs great and STARTS great. Could never have done it without this site. |
catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 06-14-2008 12:57 PM
sounds like a low pressure problem from the pump.if any body needs a prowler pump,i have one like new-200.00. ------------------ |
WildCat POA Site Supporter Prowler Junkie Personal ScrapBook From:North Louisville, Indiana, USA |
posted 06-15-2008 08:24 PM
mine did the same thing...FUEL PUMP is bad installed one from a guy in Texas, when I got it, was about $115 for the pump, had to disassemble the pump/housing and change the connectors It has been about 10,000 miles since and it starts quickly every time This message has been edited by WildCat on 06-15-2008 at 08:24 PM |
prowlrman Prowler Junkie From:Phoenix, AZ USA |
posted 06-17-2008 08:20 AM
Thanks for the responses...I suspected a pump and looks like many have experienced the same conditions...too busy the next few weeks with work and out of town meetings to jump on it, but when I do find a pump and change it out I'll respond back with results. |
quincy POA Site Supporter Prowler Junkie From:Fairfield Glade, TN. USA |
posted 06-17-2008 12:00 PM
I don't get it. My 99 with only 10K miles does the same thing. (starts easy cold, starts hard;three tries, hot). Once running you can keep your foot buried on the gas peddle and the engine does not miss a beat. You would think if the pump was bad the engine would starve for fuel at high RPM. Could it be vapor lock? How can so many pumps have this issue at such low miles? Many have stated that installing the high performance Neon fuel pump corrected the issue, but what a hassle. Next time I'm out for a cruise I will try Kraut's recommendation:Turn key on for at least 5 seconds prior to engaging starter when engine is hot. I will report back. |
catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 06-17-2008 01:20 PM
i had one pump that worked fine until half full,after that it would start fine and idle fine.when you accelerated it would not og,that is,acted like it was out of gas,changed pump all was ok.besides reg.pumps are crap. ------------------ |
WildCat POA Site Supporter Prowler Junkie Personal ScrapBook From:North Louisville, Indiana, USA |
posted 06-17-2008 11:59 PM
quote:
start right up cold, after running usually 3 attempts to get running, full throttle acceleration run strong just like new changed pump, starts good cold & hot, GO FIGURE |
SuperDave POA Site Supporter Prowler Junkie From:Murphy, Texas |
posted 07-07-2008 07:52 PM
The fuel pump on my stock 1997 model finally gave out, cold starts were slow as fuel pressure wasn't maintained. I am a klutz so I took my Walbro replacement to my local Prowler Tech for installation. Neal is concerned about the flow with the new Walbro replacement, has anyone had issues with a direct replacement on a stock engine? Third hand I heard something about a regulator that is internal with these pumps versus external on the stock setup. I thought this was as simple as swapping out only the pump, maybe I missed something? I'd hate to drop the ~$600 for the factory fuel pump assembly, all opinions are welcome and appreciated! Dave |
catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-07-2008 08:41 PM
whats a walbro. ------------------ |
Howard POA Site Supporter Prowler Junkie From:Valencia, CA, USA |
posted 07-07-2008 09:04 PM
walbro http://www.walbro.com/ This message has been edited by Howard on 07-07-2008 at 09:04 PM |
catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-07-2008 10:05 PM
the prowler pump puts out 29 lbs of pressure.the walbro site,is real vague on lbs of pressure.how is neal going to make a walbro pump work,its a totally different type of pump.if you need a prowler pump,let me know,i have one like new for 200.00 plus ship.new cat pumps are 470.00 list. ------------------ |
SuperDave POA Site Supporter Prowler Junkie From:Murphy, Texas |
posted 07-07-2008 11:21 PM
quote: Quite a few other Prowler owners have gone with the Walbro pump, explicit details on the replacement were posted by Butchee and Dan Pena a while back. You can find the details on the Neal's questions are about a regulator, hopefully someone that has done the swap can chime in with the details if there are any to share. Based on what I read you simply swap out the pumps and everything else stays as it was, do I need to worry about a regulator? |
toys POA Site Supporter Prowler Junkie From:kensington Conn, USA |
posted 07-07-2008 11:29 PM
I think walbro was bought out by Ti Automotive Group. I attended the TI automotive auction when they closed their Meriden Conn Plant, and that is where walbro started out was before TI automotive bought them out. TI Automotive Group was making the fuel pumps, gas tanks & fuel components for chrysler & other's I ended up with some Good Prowler stuff from that Auction. Walbro made lots of carbs & rebuild kits for small engines also. toys This message has been edited by toys on 07-08-2008 at 01:12 AM |
quincy POA Site Supporter Prowler Junkie From:Fairfield Glade, TN. USA |
posted 07-08-2008 07:40 AM
Well I tried Kraut's five second rule. (key on for 5 seconds prior to engaging the starter when engine is hot) It really did not help the hard start issue much. Still took three tries, but I will admit the car started a bit better on the third try. The saga continues............ |
SuperDave POA Site Supporter Prowler Junkie From:Murphy, Texas |
posted 07-08-2008 09:25 AM
quote: Quincy: Try turning the key on for five seconds, turn it back to off, turn it on for another five seconds, back to off and then on for another five seconds before starting it next time, that might help. The pump only runs for a few seconds to get the pressure up on the rail, that might help load it up for you... Does anyone with the Walbro replacement have any comments about the regulator? |
ed monahan POA Lifetime Site Supporter Prowler Junkie Personal ScrapBook From:Cincinnati, Oh, USA |
posted 07-08-2008 04:05 PM
Here's a link http://www.prowleronline.com/ubb/Forum2/HTML/001794-3.html Sounds like it is fairly simple to switch. |
idive POA Site Supporter Prowler Junkie From:Texas USA |
posted 07-09-2008 01:20 PM
Dave - I sent you a PM the other day. Let me know if you didn't get it. Otherwise, I'm a patient man. |
mojoriser Prowler Junkie From:Plano, TX, USA |
posted 07-14-2008 10:26 AM
My '97 has started doing something similar. When it's cold, it starts right up. When it's hot, it starts right up. The only time I have to really crank it is when it's hot and it's been sitting for a little while. 19k miles and counting. Superdave, let me know when your pump issue gets resolved, I may be heading down the same path and visiting Neal soon. |
ed monahan POA Lifetime Site Supporter Prowler Junkie Personal ScrapBook From:Cincinnati, Oh, USA |
posted 07-20-2008 01:36 AM
At VA Beach Quincy says that Super Dave's tip has worked EVERY time so far. |
onecatnodog Prowler Junkie From:arvada,co,usa |
posted 07-22-2008 12:14 AM
I installed a aviation fuel filter check ball valve right at the back of the engine were the fuel line hooks onto the fuel rail.. The install was done Saturday and was tested over twenty times while up on Trail Ridge Road and all over with our cruise with hot starts last Sunday and then today with good results.. I feel that it is to early to tell and will report on this issue when it has been been in there for a month.. So far so good, but time will tell.. Please wait to do this as when messing with fuel there is always a danger... Here is a picture of were it goes (Labeled with a E on the tape with a bolt in the fuel line).. This is the old motor from the Prowler that is getting a Hemi in it and was used to just show you were I placed it.. onecatnodog |
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